These are a classic cat eye frame with a prescription lens. The bridge is marked 1/10 12K GF. The earpiece is also marked 1/10 12k GF and a 4. The width of the frame is 5 inches, the earpiece arm is about 3 7/8 inches. The front sides are etched with flowers in a silver metal.  They belonged to my mother who wore them for many years and took excellent care of them. Classic Cat Eye, Cowgirl Dresses, Blue Star Sapphire, Small Bracelets, Choker Collar, Cat Eye Frames, Eye Wear Glasses, Red Rhinestone, Prescription Eyeglasses