abstract painting in black and white by Mark Tobey at the Foster Gwin Gallery, gallery owner Collier Gwin

Mark Tobey, Before the Winds, 1957, 24.75 x 39.75 inches

Ralph Du Casse, 1957, oil on canvas, 20 x 16 inches

Collage artwork by Jean Varda

Jean Varda, mid 1960’s, collage, 18 5/8 x 23 1/2 inches

Jean Varda, mid 1960’s, collage, 28.75 x 36.75 inches

Jean Varda, Mid 1960’s, collage, 16.5 x 20 inches

Jean Varda, Mid 1960’s, collage, 34 x 38 inches