Three gummed back paper commemoratives for 15th anniversary observance hosted at Municipal Airport, Cleveland. Each has identical "1935 Official Cachet" printing and two are inked in black on orange paper in both 3x4" and 2x4" size. Remaining 2x4" is inked in red on gold foil paper although inking is st. fraction off-center. Back of each has a tiny spot or bit of surface paper from album removal o/w unused. VF.