Postcard view of the port (left) side of Billy Robinson's airplane. Azo stamp box on verso. Drake Community Library (Grinnell, Iowa) Archives. McNally photographs. Collection #1, Series #1-1.
Postcard view of the starboard (right) side of Billy Robinson's airplane. Azo stamp box on verso. Drake Community Library (Grinnell, Iowa) Archives. McNally photographs. Collection #1, Series #1-1.