This gorgeous illustration was used to illustrate the story Not Suited For Murder by Stan Knowlton.
Not Suited For Murder was published in Mammoth Detective [v 3 #4, November 1944] ed. B. G. Davis (Ziff-Davis Publishing Co., 25¢, 276pp, pulp, cover by James Axelrod).
The artist is unknown but boy was he a master at dry-brush technique! The art measures 11 x 15 inches edge to edge and is drawn on heavy illustration board.