Ephemera Yves Klein, Le Monochrome Eponge Bleu... Lot 6516

[Ephemera] Yves Klein, Le Monochrome Eponge Bleu (souvenir), 1991 Transparent plastic box 5.3 x 5.3 x 5.3 cm, housing an International Klein Blue (IKB) coloured sponge and 3 cards. The thick stock cards measure 5 x 5 cm and are coloured blue, gold and pink in typical Yves Klein tones, mirroring his famous Monochrome und Feuer triptych from 1961. The cards are stamped on verso with information about the object which was produced on the occasion of an Yves Klein exhibition in November 1991 at The Archives, Rotterdam, directed by Peter van Beveren. The miniature set was made in an unknown yet numbered edition, this one labeled 'Souvenir No.211' on rear of the gold card. In mint condition. Rare.