reinhold koehler décollage thorax 1960 décollage on paper 65.3 × 50 cm2′ 1 11⁄16″ × 1′ 7 11⁄16″ reverse signed and dated inquire hide name email text hello, i am interested in the work "décollage thorax" 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