Portrait of a lady traditionally identified as Catharina Wilhelmine, Princess von Curland and Semgallen, half-length, in a yellow dress and fur wrap; and Portrait of a lady traditionally identified as the Duchess Anna Dorothea von Curland and Semgallen, half-length, in a green dress and pink wrap

German School, 20th Century Portrait of a lady traditionally identified as Catharina Wilhelmine, Princess von Curland and Semgallen, half-length, in a yellow dress and fur wrap; and Portrait of a lady traditionally identified as the Duchess Anna Dorothea von Curland and Semgallen, half-length, in a green dress and pink wrap the first with inscription 'Catharina Wilhelmine, Prinzessin v. Curland u. Semgallen, Herzogin zu Sagan geb:1781 gest: 1839' (on the reverse of the canvas); and the second with inscription 'Dorothea regierende Herzogin v. Curland u. Semgallen, Herzogin zu Sagan geboren 1761. gestorben 1821.' (on the reverse of the canvas) oil on canvas 26½ x 20½ in. (67.4 x 52.1 cm.) a pair (2)