Lot
859 
Airmail Envelope, 1947, 5¢ U.S. Postage Stamp Centenary. Unaddressed entire canceled by "New York, N.Y., May 21, 1947" First Day of Issue exposition postmark, with multicolored hand-painted Dorthy Knapp cachet, Very Fine. Scott No. UC17 Estimate $300 - 400.
Realized: $300