healeys
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Re: [Healeys] Overdrive ratios

To: Michael Salter <michael.salter@gmail.com>
Subject: Re: [Healeys] Overdrive ratios
From: Alan Seigrist <healey.nut@gmail.com>
Date: Thu, 16 Jul 2026 11:05:33 -0400
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Cc: "healeys@autox.team.net" <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <1f108b93-9836-8201-691f-6f462d0e1a59@charter.net> <BY5PR04MB6931A2F726752AB1866EFC5CA1F82@BY5PR04MB6931.namprd04.prod.outlook.com> <1314090414.1765956.1784157045149@mail.yahoo.com> <CAFP1XCDN+rvHr4i8X2DHrJRC=AnnSQi-nmSQ1CBnOr539oTFPw@mail.gmail.com> <CAFBXTkK4Hi27QWykJq2qonoeYsHATvWANd9yJ2iWJexkvdne2g@mail.gmail.com> <BY5PR04MB6931EFEE678E961F04323528A1C72@BY5PR04MB6931.namprd04.prod.outlook.com>
--===============4207557940097311454==

--0000000000004865340656bbc647
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crazy.  I still appreciate having the printed copy

On Thu, Jul 16, 2026 at 10:25=E2=80=AFAM Michael Salter <michael.salter@gma=
il.com>
wrote:

> "That should be added to the concours guidelines!"
> Unfortunately,  as is the case with thousands of other details, the addag=
e
> "If I can't see it, I can't judge it" applies to the overdrive ratio.
> The Concours Guidelines are at a very critical point.
> Current technology is such that there is virtually nothing in the
> Guidelines that cannot be determined by simply enquiring of AI.
> Give it a try, you'll be stunned at the detailed answers that it produces=
.
>
>
>
>
> ------------------------------
> *From:* Alan Seigrist <healey.nut@gmail.com>
> *Sent:* Thursday, 16 July 2026 10:17:54
> *To:* Harold Manifold <manifold@telus.net>
> *Cc:* Robert Markovich <rmarkovich@aol.com>; healeys@autox.team.net <
> healeys@autox.team.net>; Michael Salter <michael.salter@gmail.com>
> *Subject:* Re: [Healeys] Overdrive ratios
>
> That should be added to the concours guidelines!
>
> On Wed, Jul 15, 2026 at 8:46=E2=80=AFPM Harold Manifold <manifold@telus.n=
et>
> wrote:
>
> Hi Michael,
>
> I have attached a document from my archives regarding this topic. I
> believe the information in it agrees with Hank's previous comments.
>
> Best regards,
> Harold
>
> On Wed, Jul 15, 2026 at 4:17=E2=80=AFPM Robert Markovich via Healeys <
> healeys@autox.team.net> wrote:
>
> I thought they did use a .77 overdrive on the 100/6 as on the 100 BN2, bu=
t
> lessened it to a .82 (or so) unit on the 3000s. Along with a rear gear
> switch from 4.10:1 to 3.90:1.
>
>
> Sent from the all new AOL app for iOS
> <https://aolapp.onelink.me/eG2g?pid=3DNativePlacement&c=3DUS_Acquisition_=
YMktg_320_EmailSignature_AttributionDL&af_sub1=3DAcquisition&af_sub2=3DUS_Y=
Mktg&af_sub3=3D&af_sub4=3D100002473&af_sub5=3DSentFromNewAOLApp__Interstiti=
al_&af_ios_store_cpp=3Dce85ce34-ad0f-4811-a92b-a172743b064e&af_android_url=
=3Dhttps%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mo=
bile.aolapp%26listing%3Demail_signature_attribution>
>
> On Wednesday, July 15, 2026, 2:29 PM, Michael Salter <
> michael.salter@gmail.com> wrote:
>
> As I recall Hank the 100/6 also used the 28% overdrive, the same unit as
> the BN2.
>
> M
>
>
> ------------------------------
> *From:* Hank Leach <gradea1@charter.net>
> *Sent:* Wednesday, 15 July 2026 13:47:08
> *To:* Michael Salter <michael.salter@gmail.com>; healeys@autox.team.net <
> healeys@autox.team.net>
> *Subject:* RE: Re: [Healeys] Overdrive ratios
>
> Overdrives for AH 100 were installed as follows:
> OD 1260 (32%) was used up to 140204 (not practical in use)
> OD 1292 was used on chassis 140205-228046
> OD 1308 started at 1 to 228046
> OD 1447 was used on chassis (BN2) 228047-230489 (with some exceptions)
>
> Later cars, including BJ8 went to a 22% unit.
>
> --------------------
>
> From: "Michael Salter" <michael.salter@gmail.com>
> To: <gradea1@charter.net>, <healeys@autox.team.net>
> Sent: July 15, 2026 at 9:35 AM PDT
> Subject: Re: [Healeys] Overdrive ratios
> Thanks Hank. Very much appreciated.
>
> M
>
>
> ------------------------------
> *From:* Hank Leach <gradea1@charter.net>
> *Sent:* Wednesday, 15 July 2026 12:33:04
> *To:* Michael Salter <michael.salter@gmail.com>; healeys@autox.team.net <
> healeys@autox.team.net>
> *Subject:* RE: [Healeys] Overdrive ratios
>
> Michael- the 1260 is the early 32% OD. The 1292 is the 100 common 28%
> ratio. After that ODs for BN2s were 1308-28% and 1447-28%.
>
> I actually have an OD case #105 but 288 is a low serial number. Regards,
> Hank
> --------------------
>
> From: "Michael Salter" <michael.salter@gmail.com>
> To: <healeys@autox.team.net>
> Sent: July 15, 2026 at 9:22 AM PDT
> Subject: [Healeys] Overdrive ratios
> I have 2 BN1 overdrives which I'm struggling to identify.
> Unlike the later type "A" units the serial number on these is not prefixe=
d
> with the ratio.
> The serial numbers on these are :
> 1260/288
> and
> 1292/2037
> Anyone with information which would help identify the ratios of these?
> Thanks.
>
>
>
> _______________________________________________
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>
> Unsubscribe/Manage:
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>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
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>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive/healeys
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
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>
> _______________________________________________
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> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive/healeys
>
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>
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>

--0000000000004865340656bbc647
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">crazy.=C2=A0 I still appreciate having the printed copy</d=
iv><br><div class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" cl=
ass=3D"gmail_attr">On Thu, Jul 16, 2026 at 10:25=E2=80=AFAM Michael Salter =
&lt;<a href=3D"mailto:michael.salter@gmail.com";>michael.salter@gmail.com</a=
>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px=
 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



<div>
<div dir=3D"auto" style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33=
,33)">
<span style=3D"text-transform:none">&quot;That should be added to the conco=
urs guidelines!&quot;</span></div>
<div dir=3D"auto" style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33=
,33)">
Unfortunately,=C2=A0 as is the case with thousands of other details, the ad=
dage &quot;If I can&#39;t see it, I can&#39;t judge it&quot; applies to the=
 overdrive ratio.</div>
<div dir=3D"auto" style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33=
,33)">
The Concours Guidelines are at a very critical point.</div>
<div dir=3D"auto" style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33=
,33)">
Current technology is such that there is virtually nothing in the Guideline=
s that cannot be determined by simply enquiring of AI.</div>
<div dir=3D"auto" style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33=
,33)">
Give it a try, you&#39;ll be stunned at the detailed answers that it produc=
es.</div>
<div dir=3D"auto" style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33=
,33)">
<br>
</div>
<div style=3D"font-family:Aptos;font-size:16px;color:rgb(33,33,33)" dir=3D"=
auto">
<br>
</div>
<div id=3D"m_-6693180031801194339ms-outlook-mobile-body-separator-line" sty=
le=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helv=
etica,sans-serif;font-size:12pt" dir=3D"auto">
<div dir=3D"auto" style=3D"font-family:Aptos,Aptos_MSFontService,-apple-sys=
tem,Roboto,Arial,Helvetica,sans-serif;font-size:12pt">
<br>
</div>
</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif;font-size:12pt;color:rgb(33,33,33)" id=3D"m_-66931=
80031801194339ms-outlook-mobile-signature" dir=3D"auto">
<div dir=3D"auto" style=3D"font-family:Aptos,Aptos_MSFontService,-apple-sys=
tem,Roboto,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(33,33,33)">
<br>
</div>
</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"m_-6693180031801194339divRplyFwdMsg" dir=3D"ltr"><font face=3D"C=
alibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>From:</b>=
 Alan Seigrist &lt;<a href=3D"mailto:healey.nut@gmail.com"; target=3D"_blank=
">healey.nut@gmail.com</a>&gt;<br>
<b>Sent:</b> Thursday, 16 July 2026 10:17:54<br>
<b>To:</b> Harold Manifold &lt;<a href=3D"mailto:manifold@telus.net"; target=
=3D"_blank">manifold@telus.net</a>&gt;<br>
<b>Cc:</b> Robert Markovich &lt;<a href=3D"mailto:rmarkovich@aol.com"; targe=
t=3D"_blank">rmarkovich@aol.com</a>&gt;; <a href=3D"mailto:healeys@autox.te=
am.net" target=3D"_blank">healeys@autox.team.net</a> &lt;<a href=3D"mailto:=
healeys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a>&gt;; M=
ichael Salter &lt;<a href=3D"mailto:michael.salter@gmail.com"; target=3D"_bl=
ank">michael.salter@gmail.com</a>&gt;<br>
<b>Subject:</b> Re: [Healeys] Overdrive ratios</font>
<div>=C2=A0</div>
</div>
<div>
<div dir=3D"ltr">That should be added to the concours guidelines!</div>
<br>
<div>
<div dir=3D"ltr">On Wed, Jul 15, 2026 at 8:46=E2=80=AFPM Harold Manifold &l=
t;<a href=3D"mailto:manifold@telus.net"; target=3D"_blank">manifold@telus.ne=
t</a>&gt; wrote:<br>
</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
<div dir=3D"ltr">
<div>Hi Michael,</div>
<div><br>
</div>
<div>I have attached a document from my archives regarding this topic. I be=
lieve the information in it agrees with Hank&#39;s previous comments.</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Harold</div>
</div>
<br>
<div>
<div dir=3D"ltr">On Wed, Jul 15, 2026 at 4:17=E2=80=AFPM Robert Markovich v=
ia Healeys &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">=
healeys@autox.team.net</a>&gt; wrote:<br>
</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
<div>I thought they did use a .77 overdrive on the 100/6 as on the 100 BN2,=
=C2=A0but lessened it to a .82 (or so) unit on the 3000s. Along with a rear=
 gear switch from 4.10:1 to 3.90:1.=C2=A0<br>
<br>
<br>
<div><a href=3D"https://aolapp.onelink.me/eG2g?pid=3DNativePlacement&amp;c=
=3DUS_Acquisition_YMktg_320_EmailSignature_AttributionDL&amp;af_sub1=3DAcqu=
isition&amp;af_sub2=3DUS_YMktg&amp;af_sub3=3D&amp;af_sub4=3D100002473&amp;a=
f_sub5=3DSentFromNewAOLApp__Interstitial_&amp;af_ios_store_cpp=3Dce85ce34-a=
d0f-4811-a92b-a172743b064e&amp;af_android_url=3Dhttps%3A%2F%2Fplay.google.c=
om%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demail_=
signature_attribution" style=3D"font-size:12px" target=3D"_blank">Sent
 from the all new AOL app for iOS</a><br>
</div>
<br>
<p style=3D"font-size:15px;color:rgb(132,115,255);padding-top:15px;margin-t=
op:0px">
On Wednesday, July 15, 2026, 2:29 PM, Michael Salter &lt;<a href=3D"mailto:=
michael.salter@gmail.com" target=3D"_blank">michael.salter@gmail.com</a>&gt=
; wrote:</p>
<blockquote>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196">
<div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
As I recall Hank the 100/6 also used the 28% overdrive, the same unit as th=
e BN2.</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
<br clear=3D"none">
</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
M</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196ms-outlook-mobile-body-separator-line" style=3D"font-family:=
Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;font-size:12pt">
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt">
<br clear=3D"none">
</div>
</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196ms-outlook-mobile-signature" style=3D"font-family:Aptos,-app=
le-system,Roboto,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(33,33,=
33)">
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
<br clear=3D"none">
</div>
</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196yqt05627">
<div dir=3D"ltr" id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103=
28383115318872yiv9028873196divRplyFwdMsg">
<b>From:</b> Hank Leach &lt;<a href=3D"mailto:gradea1@charter.net"; target=
=3D"_blank">gradea1@charter.net</a>&gt;<br clear=3D"none">
<b>Sent:</b> Wednesday, 15 July 2026 13:47:08<br clear=3D"none">
<b>To:</b> Michael Salter &lt;<a href=3D"mailto:michael.salter@gmail.com"; t=
arget=3D"_blank">michael.salter@gmail.com</a>&gt;;
<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys@autox.t=
eam.net</a> &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank"=
>healeys@autox.team.net</a>&gt;<br clear=3D"none">
<b>Subject:</b> RE: Re: [Healeys] Overdrive ratios
<div>=C2=A0</div>
</div>
<div>
<div>Overdrives for AH 100 were installed as follows:</div>
<div>OD 1260 (32%) was used up to 140204 (not practical in use)</div>
<div>OD 1292 was used on chassis 140205-228046</div>
<div>OD 1308 started at 1 to 228046</div>
<div>OD 1447 was used on chassis (BN2) 228047-230489 (with some exceptions)=
</div>
<div>=C2=A0</div>
<div>Later cars, including BJ8 went to a 22% unit.</div>
<div><br clear=3D"none">
-------------------- <br clear=3D"none">
<br clear=3D"none">
From: &quot;Michael Salter&quot; &lt;<a href=3D"mailto:michael.salter@gmail=
.com" target=3D"_blank">michael.salter@gmail.com</a>&gt;
<br clear=3D"none">
To: &lt;<a href=3D"mailto:gradea1@charter.net"; target=3D"_blank">gradea1@ch=
arter.net</a>&gt;, &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"=
_blank">healeys@autox.team.net</a>&gt;
<br clear=3D"none">
Sent: July 15, 2026 at 9:35 AM PDT <br clear=3D"none">
Subject: Re: [Healeys] Overdrive ratios </div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
Thanks Hank. Very much appreciated.=C2=A0</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
=C2=A0</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
M</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196x_ms-outlook-mobile-body-separator-line" style=3D"font-famil=
y:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;font-size:12pt">
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt">
=C2=A0</div>
</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196x_ms-outlook-mobile-signature" style=3D"font-family:Aptos,-a=
pple-system,Roboto,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(33,3=
3,33)">
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
=C2=A0</div>
</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196x_divRplyFwdMsg">
<strong>From:</strong> Hank Leach &lt;<a href=3D"mailto:gradea1@charter.net=
" target=3D"_blank">gradea1@charter.net</a>&gt;<br clear=3D"none">
<strong>Sent:</strong> Wednesday, 15 July 2026 12:33:04<br clear=3D"none">
<strong>To:</strong> Michael Salter &lt;<a href=3D"mailto:michael.salter@gm=
ail.com" target=3D"_blank">michael.salter@gmail.com</a>&gt;;
<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys@autox.t=
eam.net</a> &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank"=
>healeys@autox.team.net</a>&gt;<br clear=3D"none">
<strong>Subject:</strong> RE: [Healeys] Overdrive ratios
<div>=C2=A0</div>
</div>
<div>
<div>Michael- the 1260 is the early 32% OD. The 1292 is the 100 common 28% =
ratio. After that ODs for BN2s were 1308-28% and 1447-28%.</div>
<div>=C2=A0</div>
<div>I actually have an OD case #105 but 288 is a low serial number. Regard=
s, Hank<br clear=3D"none">
-------------------- <br clear=3D"none">
<br clear=3D"none">
From: &quot;Michael Salter&quot; &lt;<a href=3D"mailto:michael.salter@gmail=
.com" target=3D"_blank">michael.salter@gmail.com</a>&gt;
<br clear=3D"none">
To: &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys=
@autox.team.net</a>&gt;
<br clear=3D"none">
Sent: July 15, 2026 at 9:22 AM PDT <br clear=3D"none">
Subject: [Healeys] Overdrive ratios</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
I have 2 BN1 overdrives which I&#39;m struggling to identify.</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
Unlike the later type &quot;A&quot; units the serial number on these is not=
 prefixed with the ratio.</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
The serial numbers on these are :</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
1260/288</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
and</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
1292/2037</div>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
Anyone with information which would help identify the ratios of these?</div=
>
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
Thanks.</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196x_x_ms-outlook-mobile-body-separator-line" style=3D"font-fam=
ily:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-serif;font-size:12pt">
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt">
=C2=A0</div>
</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
72yiv9028873196x_x_ms-outlook-mobile-signature" style=3D"font-family:Aptos,=
-apple-system,Roboto,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(33=
,33,33)">
<div style=3D"font-family:Aptos,-apple-system,Roboto,Arial,Helvetica,sans-s=
erif;font-size:12pt;color:rgb(33,33,33)">
=C2=A0</div>
</div>
<div>=C2=A0</div>
</div>
</div>
</div>
</div>
</div>
<div id=3D"m_-6693180031801194339x_m_6778462583151383250m_51103283831153188=
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