A domestic air mail rate of 7¢ per ounce was in effect from August 1, 1958 through January 6, 1963. Currently, the number of solo uses of the 14¢ sheet stamp paying double the domestic air mail rate is: 1. 

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Description: 14¢ Prexie paying double the 7¢ air mail rate on a mailpiece sent from New York City to Grand Junction, Colorado.

Owner/Source: Dickson Preston on Prexie Era Committee website.

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