Joel Stein (Saint-Martin Boulogne 1926 - 2012) "Triedre 16 cellules" 1964/2006 metal, nylon threads, and painted cork balls cm 90x57x14 Signed, numbered 7/8, and dated 11/25/006 Provenance Valmore art studio, Vicenza Private collection, Milan This work is accompanied by a certificate of authenticity on photograph issued by the Joel Stein Archive, no. 06006/7, and signed by the artist