Czernowitz 1874 - 1951 Wien
Mosque of Sultan Valide in Stambul, Constantinople
Watercolour, opaque white and pencil on paper
20.7 x 31.1 cm (image)
31.7 x 42.5 cm (sheet)
Signed twice lower left: O. Laske
Titled lower sheet edge: Moschee der Sultan Valide in Stambul, Konstantinopel