Lot Essay
Intriguingly called 'Russian stone' and famed for its clarity, mirror-like polish and skillful facetting, glassware from the Imperial glass factory was unrivalled during the Russian Empire period. The principal designer of the factory was Ivan Ivanov, who was responsible for most of the designs for coloured glass or crystal pieces executed for the Imperial family (N. Thon (ed.), St. Petersburg um 1800, Recklinghausen, 1990, pp.395 and 398).