FILOS tortoise square oversized sunglasses w-photochromic tempered crystal lenses, NOS 70s

Filos cool photochromic tortoise sunglasses hand made in Italy in the late 70s. Realized in a dark brown tortoise acetate with stainless steel spring hinges, mounted with the finest photochromic tempered crystal lenses that range from amber to a mid brown tone under the sun. Brand new and unworn from deadstock and still with adhesive on the lenses. Measurements overall 13.9 cm lenses 5.7 cm temple 13.5 cm