Gucci GG 2944 eyeglasses frames. The numbers and letters engraved on the temple indicate the model number, color code, and temple length.  Product Details Brand: Gucci Model Number: GG 2944 Color Code: CER (which corresponds to clear, brown glitter, bronze in some listings) Temple Length: 130 mm Material: Often made from a mix of plastic (acetate) and metal components.  These frames are vintage or pre-owned. They come as optical frames designed to hold prescription lenses.  Gucci case has some peeling and scuffs. Please see photos.