Inscription: A paper inside of box when it was acquired reads: La presente Tabacchiere fu regalata dall' Imperatrice di Russia Caterina 2da al Mse Stefano Rivarola Ambasciatore della Serenissima Repubblica di Genova presso quella Corte nel 1785 ("This snuff box was bestowed by the Empress of Russia Catherine II to the Mse. Stafano Rivarola, Ambassador of the most serene Republic of Genoa accredited to that court in 1785").
Marking:  crowned fleur-de-lis, two grains de remède, J J B (maker's mark);  interlaced foliate L's (Paris charge mark for gold and small silver, 1780–82);  crowned italic t (Paris warden's mark for gold, 1782–83);  plover's head (Paris discharge mark for small gold and silver, 1782–89).
Location of marks:
– inside bottom, front wall and cover
 on insetting rim of cover
Monogram: E [Ekaterina] II