Bidspirit auction | Set of 4 photographs: Umbo,

Set of 4 photographs: Umbo, i.e. - Set of 4 photographs: Umbo, i.e. Otto Umbehr (1902–1980), female nude, estate stamp and numbered 19/50 on the reverse, posthumous print 1995, Otto Wols (1913–1951), two prints from the estate for Griffelkunst, inscribed on the reverse, as well as Raoul Hausmann (1886–1971), Mechanical Head (The Spirit of Our Time), posthumous print for Griffelkunst 2002, dimensions up to 40.5 x 30.5 cm