Rolex 19mm Steel 257 End Link / Piece For 7835 bracelet, authentic and very hard to find.  Presents super

Rolex 19mm Steel 574 End Link / Piece For 62510H bracelet early holes case, authentic and hard to find in this condition. 

Auth. Rolex 19mm Steel polished back (early) 261 End Link / Piece For 7835 bracelet suit 6263 6265, authentic and very hard to find.