Vintage 1970s Marwitz Optima Eyeglasses Gold Tone Brown Acetate Made in Germany

Vintage 70s Marwitz Optima Eyeglasses Gold Tone Brown Acetate Made in Germany bridge 22 mm, temple 140 mm I cannot make out the script engraved on left temple piece (see photo 12) prescription lenses intact, scratches on the metal and on the temple tips, expect wear throughout glasses need adjusting