Four Men, Stunning c. 1930s American Regionalism Ink Drawing, F. RobinsonI extricated this gorgeously executed drawing, rendered in a combination of black and sepia toned ink on heavy weight paper, from its original mat, to which it was adhered with rubber cement, visible now around the edges of the paper. That mat (which I've saved) was signed F. Robinson which has lead me nowhere, but clearly he, or she, was quite an accomplished artist. Four marvelously distinctive portraits packed into one dense and dynamically