Set of 4 cups glasses of Biot in bulled glass years 60

Chic Riviera! The beautiful material of Biot glass, shiny, soft and oily! Here in the beautiful perfect green of the 60s, the Cup shape slightly flated, very soft in the hand. Heavy, plush and joyful objects of high quality. Tiny variations in height and diameter in millimeters. All identical and all slightly different. One of the glasses is signed-engraved. Height 13cm, diameter drinking 7, 5cm. Very good condition.