I have been looking for the optional style that Chevy used on the 1-1/2 Ton trucks, at least through the '40's, that had two arms mounted to the top portion of the door and the mirror hung down under the arms. This is the style my 1940 1-1/2 Ton had from the factory when my grandfather bought it new. They did not like them as they bounced around too much and were removed, leaving two 1" diameter or so holes in the top of the driver's door. Would like to put it back original if I could locate the arms.