Otto Umbehr (Umbo), Paul Citroen, 1926, Photo: Philippe Migeat.
[CNAC/MNAM/Dist. Re ́union des Muse ́es Nationaux/Art Resource, New York]
UMBO (OTTO UMBEHR)
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Otto Umbehr (Umbo), Paul Citroen, 1926, Photo: Philippe Migeat.
[CNAC/MNAM/Dist. Re ́union des Muse ́es Nationaux/Art Resource, New York]
UMBO (OTTO UMBEHR)