Bidspirit auction | Hanns Anker (1873-1950), portfo

Hanns Anker (1873-1950), portfo - Hanns Anker (1873-1950), portfolio on mining, ''Braunkohle und Brikett, 25 Jahre Bubiag'', with 13 hand-signed original etchings by Hanns Anker in loose cover with text, without publisher, around 1925, cover browned, edges partly minimally stained, 35 x 48 cm