Art Deco tulip lampshade

Vintage Art Deco lamp shade in frosted glass, with a gently scalloped rim tinted in iridescent orange. In very good condition for its age, dating from the 1930s. No cracks or chips on the body, just minor nicks on the base. Some paint residue needs cleaning (see photo). Height 11 cm, opening diameter 14.5 cm, diameter at the fitting to the lamp 4.2 cm. Weight 207 g.