Prince Henry of Prussia's yacht Irene lying on her mooring off a pier

Eduardo Frederico Chevalier de Martino, C.V.O. (Italian, 1838-1912) Prince Henry of Prussia's yacht Irene lying on her mooring off a pier signed 'E. de Martino.' (lower right) pencil and watercolour heightened with white 5½ x 3 5/8 in. (14 x 9.3 cm.); and an unframed watercolour of a coastal trader by the same hand (2)