b'Jack Bush London #12, September 1973 Acrylic on Canvas, 76 x 72.25 inches Signed, Titled, and Dated Verso MSFA: 7700Provenance: The Artist Gallery One, Toronto, Ontario Andre Emmerich Gallery, New York Private Collection, USAExhibitions: Grace Borgenicht Gallery, New York Salander OReilly Galleries Inc., September 4, 1991October 3, 1991'