This is a pair of vintage sunglasses from the late 50s byPrimetta, Germany. They are advertised as "Federlicht" which means light as a feather, and they are indeed extremely light! The frame is golden metal and the lenses are organic plastic which filters 95% of the UV. They have a decoration in white color.
Lens width: 56mm
Temple arms: 145mm bending at 100mm
Condition: Mint deadstock condition with the original packaging.