EUGENE JAMES MARTIN (American, 1938-2005). BIRD ON A STAND, GEOMETRIC SHAPES and RIDING HORSE: THREE WORKS, first, signed and dated 1973 lower left; second, signed and dated 1974 lower left, third signed and dated 1973 upper right. First two felt-tip marker and pencil on paper, third watercolor and pencil on paper. - Largest, unframed: 10 3/4 in. x 8 1/2 in. Estimate $300-500
