Lot 2023
 E
U.S.; Airpost, 1926 Contract 3 Unadopted Designs, #C7-C9E, pencil designs for 12¢, 24¢, 50¢ values on one page with notation on side for each for recommended color, also partial designs on additional tissue paper, Very Fine, unique .
Estimate $1,000-1,400.
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