C&I" and "Hecho en Mexico. ROLEX OYSTER RIVET 6635/57 VINTAGE EXPANDABLE BRACELET 19MM 6239 6240 6265 6263 and Rolex Bracelet Rivet 7206 submariner 5508 5512 6536 5538 GMT 6542. Will fit on all Rolex sportmodels. This is not an original Rolex bracelet but scary similar. It seems like you are referring to a vintage Expandable Oyster Rivet bracelet from the 1970s.
These bracelets were commonly used on Rolex watches during that era. The Expandable Oyster Rivet bracelet was designed to fit a range of watch cases, typically ranging from 18mm to 21mm in width. The expandable feature allowed the bracelet to adjust and fit different watch sizes. These vintage bracelets are sought after by collectors and enthusiasts who appreciate the authenticity and aesthetic appeal of vintage watch accessories. If you have one in your possession, it could be a valuable and desirable item.
However, the actual value of such a bracelet would depend on various factors, including its condition, brand, rarity, and the current demand in the market. They would be able to provide you with more accurate information about its value and guide you on the best course of action. Intage Expandable Oyster Rivet bracelet from the 1970s. Can take some time depending on your location.