MARCELLO BACCIARELLI (1731-1818) Portrait of a Young Lady, [1756] Oil on canvas, 88,5 x 69,5 Sign. on the book: 1756 [?] | CONFERENZE | Bacciarelli pinx. Owned by Józef Potocki in Warsaw; in 1939 deposited in the National Museum in Warsaw, inv. no. 181587. Lost between 1939-1945. Negative MNW no. 759; photo before 1939. WAR004288