Untitled

Otto Piene (1928-2014) Untitled one element signed, dated twice and inscribed indistinctly 'N.Y. June 26th, 1965 for Lenore Rosenthal Otto Piene 65' (upper and lower edges); each signed and dated 'Piene 65' (on the reverse) nine elements--gouache, pigment and fire on paperboard smallest: 4 1/4 x 3 in. (10.8 x 7.6 cm.) largest: 5 x 5 3/4 in. (12.7 x 14.6 cm.) Executed in 1965.