Offset lithograph, on wove paper, with full margins, before letters,

1963

I. 15 1/2 x 15 3/4 in. (39.4 x 40 cm)
S. 22 3/4 x 16 3/4 in. (57.8 x 42.5 cm)

signed in pencil, from the unnumbered edition of unknown size (there were also 100 numbered impressions), published by Leo Castelli Gallery, New York, framed.