The rate to mail an air letter sheet was 10¢ from from April 29, 1947 through June 30, 1961. Currently, the number of solo uses of the 10¢ sheet stamp paying the air letter rate is: 1.

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Description: Air letter, dated September 26, 1947, mailed from APO 69 in Germany to Lexington, Massachusetts using a 10¢ Prexie to pay the air letter rate.

Owner/Source: Lot number 1384 in Schuyler Rumsey Philatelic Auctions Catalog for Sale No. 92 with items from Robert Schlesinger's Prexie Postal History Exhibit. The lot realized $400.

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