[sphere and ash]

The Mathewson image on the game certainly looks like Horner's work--Horner used a studio lighting method called "Rembrandt lighting" that puts one-half of the subject's face in shadow, but characteristically produces a triangle of light on the shadowed cheek. I have never seen an original.

Conlon, by the way, had no children. I think you mean Conlon's nephew, Jimmy Gralich, who is pictured in the McCabe's book imitating Matty.