erich buchholz schwarz-rote-tusche 1955/1972 original-silkscreen on paper 65 × 50 cm2′ 1 9⁄16″ × 1′ 7 11⁄16″ front side signed and dated inquire hide name email text hello, i am interested in the work "schwarz-rote-tusche" by erich buchholz. could you please provide information about this work and its availability. thank you is part of the exhibition paper positions berlin 2025