Pyroxylin and mica on masonite. Presented in a vintage frame, outer dimensions measure 20 x 25 x 1 ¾ inches. Image size is 15 x 20 ¼ inches.
Pyroxylin, sometimes referred to as Duco Paint (the DuPont brand name) is a resilient and durable type of nitro-cellulose paint, originally created for the auto industry (Ford as early as 1926) and later adopted by artists for use in fine art.