Inscription: Paper labels on reverse:  "Imperial St. Petersburg 1762–96 reign of Catherine II (Ekaterina), only European factory that never sells a piece. nearly all my pieces I got in St. P. 1888. Tiffany has not a single 'imperial' piece.";  "I saw the director 1888 and he sent me to Jacobson who had a few pieces he bgt from reduced courtiers."
Marking: Painted in underglaze blue on underside:  Monogram E II (factory mark, period of Catherine [Ekaterina] II, 1762–96); painted on underside in puce:  Cyrillic P:K (initials for Pridvornaia Kontora, Office of the Imperial Household); incised under glaze on foot rim:  5