vintage 1970s sunglasses NINA RICCI PARIS oversized PLUM square frames glassesINSANE plum plastic Nina Ricci oversized sunglasses with original non Rx gradient lenses, circa 1970s vintage! The arms have an open channel design, with bold gold metal "Nr" plaques at the temples. Arms curve inward for streamlined folding I took these to a local optometrist who deals in high end vintage frames and he once I refused to sell these to him confirmed these were designed as such while an exaggerated frame, these are for a fairly small