Old two-tone white and bistre caramel glass lampshade, vintage retro decoration

An old lampshade, light fixture... It is in two-tone white and caramel/bistre glass. It has a barely visible micro-shine without gravity. Height: 16.3 cm. Top diameter: 11.7 cm. Bottom diameter: 24.3 cm. External diameter: 26.8 cm. Good used condition, to be cleaned (see photos). The photos are an integral part of the description.