LELAND R GUSTAVSON ORIGINAL ART HARD BOILED PULP ILLUSTRATION 1940’S ON BOARD

AN ILLUSTRATION FROM A LATE 1930’S OR 1940’S MAGAZINE (I DO NOT HAVE A COPY OF THE PUBLISHED ILLUSTRATION). ART IS OIL ON WHATMAN DRAWING BOARD. ART IS NOT MATTED AND 27.75″ X 22.5″ IN SIZE. I ACQUIRED THIS ART MANY DECADES AGO.