michael kidner rotating column 1971 pencil, crayon and wax crayon on paper 76 × 55.5 cm2′ 5 15⁄16″ × 1′ 9 14⁄16″ signed dated front side inquire hide name email text hello, i am interested in the work "rotating column" by michael kidner. could you please provide information about this work and its availability. thank you is part of the exhibitions no. 5/2025 einblicke positions in concrete and constructivist art ll kolvenburg konkret