Army Post Office index card: Werner Oppenheim/William Oakfield, England 1943, paper, ink, 7.6 x 12.6 cm; Jewish Museum Berlin, inv. no. 2006/9/9, authorized donation from the Army Post Office holdings, photo: Jens Ziehe
Army Post Office index card: Werner Oppenheim/William Oakfield, England 1943, paper, ink, 7.6 x 12.6 cm; Jewish Museum Berlin, inv. no. 2006/9/9, authorized donation from the Army Post Office holdings, photo: Jens Ziehe