A set of two etchings. First. Arthur William Heintzelman, 1891-1965, American artist. Engraving depicting a mother with two small children. Signature in the lower left: Perpignan, 1927. Signed in the lower right. Inscription Ed. 100 in the lower left. White mat, golden frame. Second. Krista van Laan, contemporary American artist based in California. Color lithograph depicting a nude couple on the seabed surrounded by shells and fish. Titled Night Swim II in the lower left. Signed and dated 1978 in the lower right. Pink mat, wooden frame. Collectible Antique And Contemporary American Graphic Art.