erich buchholz untitled 1955 indian ink on paper 36 × 23.5 cm1′ 2 3⁄16″ × 9 1⁄4″ 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