It must be the Ryan M-1.The Ryan M-1 was the first monoplane produced in series in America, inspired from the Wright-Bellanca WB-1. It was designed by T.Claude Ryan, and calculated and drafted by Bill Waterhouse. The first flight of the type took place on February 14, 1926 from Dutch Flats, California, USA.
http://1000aircraftphotos.com/Contri...liard/1954.jpg