The tip of the ear part is cracked off. See on the pic.   There is no marking of "bl" on the lens, probably were make in the early 70s.

The product is a pair of vintage B&L Ray-Ban Outdoorsman aviator sunglasses, made in the USA with a 58mm medium lens size. The frame color is gold, and the lens color is brown with UV protection. The frame material is a gold plated metal alloy, and the lenses are made of glass. These unisex sunglasses are a classic and stylish accessory that exudes a timeless sense of outdoor adventure and sophistication. Made in the United States by B&L Ray-Ban, a renowned brand known for its quality and iconic designs.