Bidspirit auction | Gerhart Bergmann (1922–2007), informal com

Gerhart Bergmann (1922–2007), informal com - Gerhart Bergmann (1922–2007), informal composition, color lithograph, signed and dated in the lower right corner (19)66, labeled “proof” on the lower left, 37 x 30 cm, framed behind glass with a mat, 76 x 56 cm