BLUE MOSQUE IN ISTANBUL, 1939
Oil, cardboard; 55 x 65 vm
Signed p.d.; WS / 1939
On the reverse: Istanbul / Moschee am original Bazar / über Portal: Wilhelm Spieth" / Arabisch geschrieben / inscription in Arabic alphabet; stamp of the maker of painting instruments: 15 / 66 x 54 cm / Schmincke / Düsseldorf / CK