74: Marcel Duchamp, Rotoreliefs (optical Disks), 1935/1
The complete set of twelve offset lithographs, on six round card discs, with original black plastic and foam folder, velvet-covered box with metal and magnet turning mechanism with velvet-covered disc holder,. box: 4 3/4 x 14 7/8 x 14 7/8 in (12.1 x 37.8 x 37.8 cm);
all disc diameter 8 in (20.3 cm). one disc initialed in blue ink, engraved with signature, dated `1965' and numbered 95/150 on an accompanying brass plaque, published by Edition Galerie Schwarz, Milan, discs with areas of soiling, skinning and staining, wear and occasional short tears at sheet edges, folder with minor wear, the plaque is detached from box, otherwise all in good condition.