NAM JUNE PAIK, Etude for Piano Forte, Studio of Mary Bauermeister, Cologne, October 6, 1960; photograph by Klaus Barisch, printed in 2019 on barite paper, 27 x 27 cm, 50 copies, signed and numbered (14/50) on the reverse by the photographer, in passepartout, in frame, 50 x 40 cm
