New Vintage B&L Ray Ban Ambermatic DGM Mirror Powderhorn Ski Sport Sunglasses

True vintage B&L Ray-Ban Bausch & Lomb USA Powderhorn ski sport sunglasses circa 1970’s. Made in USA. Unisex.New and never worn, but have imperfections from 50+ years of storage. Temples are Arcadia model, which are the same specs. Please note that no case is included.Ambermatic mineral glass lenses with silver double gradient mirror (DGM) on the outside. Gold mirror on the inside. The lenses are made from pure optical glass and are ground and polished to precision-optics standards. Pre-B&L etching, non-prescription and ready for wear with 100% UV protection.Ambermatic lenses are made of light-sensing glass that self-adjusts color and density for varying light & weather conditions. Color changes from haze-cutting amber under overcast skies to glare-blocking brown under warm sunny conditions or dark gray under cold sunny conditions.Right lens has 2 short scratches and some short hairline scratches. See closeup.Retro cool acetate/nylon frame features 3 layers of coordinating hues: tan, white, and navy. Temples are navy, white, and sky blue.The inside right temple is impressed with BAUSCH & LOMB U.S.A. The inside left temple is impressed with ARCADIA.There are slight hairline scratches to the frame. Face frame curvature isn’t perfectly symmetrical and may need to be adjusted by an optician or optical or sunglass shop. This is a free service. Frame: 142mm L x 54mm HHinge to Hinge: 134mmTemple: 140mmLens H: 50mmLens W: 56mm horizontallyLens W: 60mm diagonally