may 13 of what year did the us start selling air mail stamps?

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may 13 of what year did the us start selling air mail stamps?

2006-07-27 09:09:24 · 2 answers · asked by hatchet 1 in Politics & Government ➔ Other - Politics & Government

2 answers

1918 C1-C3 were stamps portraying the Curtis Jenny which produced the most recognizable error in postage stamp history which is the upside down Jenny.

2006-07-27 09:18:01 · answer #1 · answered by jpxc99 3 · 0⤊ 0⤋

1918 is correct, but only one stamp (C3, the 24c value) went on sale that day. The others of similar design were introduced when the postage rates dropped.

2006-07-28 11:43:15 · answer #2 · answered by Maple 7 · 0⤊ 0⤋