Ranft cup with ruby ​​interior and polished gold painting, Imperial Glass Factory around 1830

Ranft cup made of colorless glass with ruby-colored inner rim, multi-toothed round base with dot decoration made of light blue enamel, base with rosette made of star and stone cut, on the eight-fold peeled, upwardly widening wall, high-ground, stone cut round arches set off with gold lines, above the round arches and on the set-off lip rim a decoration made of floral gold painting. Cup is in undamaged condition with professional restoration of micro chips on the base rim. Russia, Imperial Glass Factory, Saint Petersburg around 1830-35. Height: approx. 12.0 cm, diameter: approx. 8.8 cm.