Guggenheim (a) - black. 1970. Multiple. Plastic relief, vacuum-shaped, spray-painted in black. Lullin M 3. With edition label on verso, there signed and numbered 104/750. Only 106 copies were executed. 59,2 x 59,3 x 9,8 cm (23,3 x 23,3 x 3,8 in). According to the catalog raisonné, an edition of 750 copies of three differently dyed multiples was originally intended. However, for production reasons they were not executed. The numbering on the edition note can go up to 120, because copies that had already been signed were discarded and destroyed after the making. Made by the company Reif, Relo-Kunststoffe, Lörrach. Published by xartcollection, Zurich 1970. [JS].