Persol Sunglasses with original case and cleaning cloth Introduced in the 1960s as a folding version of the 649 model, the 714 were the first-ever folding glasses. This model requires ten additional manufacturing steps compared to the standard ones. MODEL CODE: PO0714 24/S3 54-21 FRONT COLOR: Havana LENS COLOR: Polar Blue Gradient LENS MATERIAL: Crystal FRAME MATERIAL: Acetate Small scratch on inside nose piece, see photos. Minimal and not visible when worn.