Unitled (Yellow Abstraction); Float; Caldwel

- “Unitled (Yellow Abstraction)”, 1969 (signed, titled, dated 1961 and inscribed “RTP” lower right - 18 x 28.5 ins. [sheet]);

- “Float”, 1971 (signed, titled, dated 1971 and inscribed “RTP” in the lower margin - 18.5 x 24 ins. [sheet]);

- “Caldwel”, 1971 (signed, titled, dated 1971 and inscribed “RTP” lower right - 18 x 23 ins. [sheet]);

each unframed