signed and numbered 3034/5000 in pencil, printed by Dietz Offizin, Lengmoos, Bavaria, published by Dorothea Leonhart, Munich, with their blindstamps, with full margins; together with 'Marcel Duchamp (The oculist witnesses)' Offset lithograph in colours with silver foil embossing and acetate lamination, 1970, on wove paper, published by Petersburg Press, London, the full sheet
