Plane logo was a question mark (?) French plane in Boston

French Plane '?' (insignia) East Boston Airport - Admin building, people. Close-up; long distance plane. |
Ernest K. Warburton 575HP pursuit plane in flight over Boston |
Boston Airport from the air |
East Boston Airport Planes in winter, the plane in the air is National Guard plane. The one on ground with shi[?] belong to Curtis |
Mail plane lands at East Boston Airport 1928 |
Warburton's pursuit plane in flight over Boston |