Not apparently signed. With abstract composition on the reverse. According to the consignor, both Mullers were purchased directly from the artist's wife, Dody (Dolores) Muller after her husband's passing. Jan Müller (American/German, 1922-1958). From a Forest Hills, NY collection. - Dimensions: 6.5" high x 14.25" wide.
Good, two original holes through wood upper left and lower left, small spot of surface soiling lower left at blue figure's foot, small loss at left edge.