erich buchholz untitled 1922 pencil on paper 22.3 × 29.5 cm 8 12⁄16″ × 11 10⁄16″ front side and back side signed and dated inquire hide name email text hello, i am interested in the work "untitled" 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