Vintage RARE 70's Bausch & Lomb 12K Aviator Ray-Ban Sunnies

Outstandingly Rare True Vintage early 1970's Bausch & Lomb 12K Gold Filled Original Ray-Ban Aviator Sunglasses. In original case. Excellent condition, w/ minor wear to the frame. Etched w/ B&L on the top of the gold frame. Gold frame says "B&L" "Ray Ban" "USA". The underside of frame says "B&L" "Ray-Ban" & 56-16 representing the size. There are no markings on the arms, but the "B&L" marks on nose guards. Highly sought pair of authentic Bausch & Lomb Ray-Bans in excellent condition.