Renato Balestra NOS 1970s Vintage Black & Yellow Plastic Eyeglasses Frames

These 1970s deadstock eyeglasses frames are by Renato Balestra. The frames are clear plastic with black and yellow accents, and the “RB” monogram on each arm. They are fitted with sample lenses with the "Renato Balestra" signature on them. The model is "RB 80/619" and the size is 56-16-1435. They were made in Germany. There are some minor scratches on the sample lenses, but the frames are in excellent condition.