STEFANO ARIENTI Turbina, 1986 folded paper, cm 20x50x50 Signed and dated on the reverse: Stefano Arienti 1986 cm 20x50x50 Torino, Galleria Guido Carbone; Torino, Castello di Rivara; Milano, private collection. Torino, Galleria Guido Carbone, mostra personale Stefano Arienti, 1987. Certificate of authenticity on photograph signed by the artist. Starting bid : 6000