BILL BOLLINGER Untitled. Aluminum pipes and socket, 1967. 920 mm; 36 inches, and 1225 mm; 48 inches (pipe lengths); 40 mm; 1½ inches (pipe diameter).With a typed description of the sculpture signed by the artist in ink, 1967.Provenance: Bykert Gallery, New York, with the original receipt; Norman Dolph, New York; thence by descent to the current owner.