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Oddities
63. Essays, proofs and specimens: Essays are defined as design trials. Proofs are printed versions of an approved design to test the design itself, the printing equipment, or one or more possible colors for the issued stamp. Specimens are specially printed versions of the issued stamp, usually marked as such for purposes of record or display. All are scarce, having been produced in small quantities, and most have significant value.
Type 63: A specimen overprint appears on the 1¢ Franklin Navy Department Official (Scott O35S).
Type 63: A proof of the 1¢ Franklin Treasury Department Official (Scott O72P).
Type 63: Essay for Presidential Series by August Dietz.
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