First Day Covers (FDC’s) Of United States Of America Part 3
30 FDC’s (1964-1973) From my collection of 123 FDC’s (1938-1991)
First Day Covers are envelopes affixed with a newly issued postage stamp or
stamps and bearing the postmark of the first day of issue and an officially
chosen place of issue made available for sale to the public.
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