Lithograph in colors, on wove paper, the full sheet,

1969

S. 24 x 18 3/4 in (61 x 47.6 cm)

signed with initials, dated `69' and annotated `C.P.A.P. IV' in pencil (an artist's proof, the edition was 90), published by Collector's Press, San Francisco (with their blindstamp), the yellow and blue slightly attenuated, otherwise in good condition, framed.