reinhold koehler décollage gravé 1965 décollage with cardboard 50 × 50 cm1′ 7 11⁄16″ × 1′ 7 11⁄16″ signed and dated inquire hide name email text hello, i am interested in the work "décollage gravé" by reinhold koehler. could you please provide information about this work and its availability. thank you is part of the exhibition paper positions berlin 2025