Sulfur Water

SAM FRANCIS (1923-1994) Sulfur Water lithograph in colors, on Rives BFK paper, 1967, signed in pencil, inscribed 'artist's proof' (the edition was 50), published by Joseph Press, Los Angeles, the full sheet, in very good condition, framed Sheet: 27 7/8 x 18 ¾ in. (708 x 478 mm.)