Dated by McKinley Tariff Act requiring name of country of origin to be permanently engraved (stamped) or imprinted into a piece.
Mask measures approx 8 inches high and 6 inches wide
On the black lacquered back is the rement of a very old label. Plate is 10.75 at the widest point. Sourced from an old estate in the US, Chinoiserie of this detail and quality are rare, probably Edo Period between 1840-1850
Vase is in very good condition, no chips, no dents, and no losses.