Created in 1964, this color lithograph on Rives BFK paper is hand signed by Sam Francis (San Mateo, 1923- Santa Monica, 1994) in pencil in the lower center and numbered from the edition of 30 in pencil in the lower left. Sam Francis Long Blue, 1964 was printed by Emil Matthieu at Emil Matthieu Aterlier, Zurich, and published by Kornfeld and Klipstein, Bern.
