Sterling Trophy Aviation History Flight Test Boyd Monoplane Sept 1932 Baltimore

Selling as removed from the estate.   Appx 32 grams.  Appx 2 7/8 inches tall x 2 7/8 inches wide x 1 3/4 inches deep.  Baltimore, Maryland.   Flight test of Boyd monoplane piloted by John Francis Bledsoe Jr September 1932 Baltimore MD.   Sincere appreciation if your cooperation Chester m Boyd w hunter a Boyd.  Please use photos for description