The style is military/landgirl with a gray lens color, perfect for outdoor occasions during the 1960s.
VTG American Optical Calobar C82 Sunglasses MCM Black Cat Eye Green Glass
Vtg American Optical Etched Cat Eye 5 3/4 Sunglasses Frames Cateye Eyeglasses
Vtg American Optical 1/10 12K GF Aviator Pilot C17 Cable Arm Green NOS
VTG AO American Optical CN174T Brown Over Sized Tortoise Sunglasses 70's Retro
Vintage American Optical Calobar C50-50 Sunglasses MCM Black Pearlessence