[Healeys] BN2 side curtain rivet type

[S and T Miller]

Does anyone know the type of original rivet that attaches the retainer flap (flap that attaches the curtain to the inner door panel with a tennax)? This is the rivet that goes through the steel bar sewn into the curtain material. Can't find a clear picture, but it appears to be a similar to the rivets that attach the battery cover door straps, although silver? And is there originally a fender washer used on the inside? Not sure if there was a difference over the years, but I believe these are the third type of curtains produced with the trim and interior access was made by an unattached material area at the bottom rear.
Thanks in advance.  Shawn

The Millers

"Always drive them, but remember each drive in an antique car is a test drive."
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