Martha Walter (American, 1875–1976) Still Life with Irises; A Double-Sided Work Signed 'Martha Walter' bottom right (verso), oil on canvasboard 28 1/4 x 24 in. (71.8 x 61cm) Unframed. PROVENANCE: The Artist. The Estate of the Artist. David David, Inc., Philadelphia, Pennsylvania. Private Collection, Pennsylvania. NOTE: Part of the proceeds of the sale will go to Mount America Foundation, an organization that aims at honoring the fallen, healing the veterans and military families. See More