Antique 1940s WWII Outsider Art Portrait of Workers in the 21st Engineer Battalion, Signed (Oil on Canvas). Portrait of airplane mechanics working at a base. The WWII 21st Engineer Battalion Coat of Arms “Expect Everything” is featured in the top right corner of the canvas. A plane formation is seen at the top center of the sky with three other planes off to the left of the canvas. Signed in the bottom right corner Sgt. M. Theodos. Oil on canvas with a varnish finish. In good condition with wear consistent with age. Size: 36”H x 30.25”W