Vintage American Optical AO207 Eyeglass Frames Only 50-17-130 Amber USA. American Optical AO207 eyeglass frames in translucent amber acetate. Approximate size 50-17-130 based on manual measurement. Color code ACOR. Made in the USA. These are new old stock frames that do not include lenses and will need prescription lenses installed. Frames appear very clean with minimal storage wear. You will receive exactly what is pictured.