1¢ Franklin Imperforate

1¢ Franklin Imperforate
1¢ Franklin Imperforate

Watermark Check
This stamp must be checked for watermark. Note that these stamps are seldom
faked, rather they are the starting point for many of the more dangerous forgeries in U.S. philately. The primary reason the imperforate stamps were issued was to supply stamps to the vending machine manufacturers who in turn applied their own perforations in order that the stamps would feed properly in their machines. Imperforate stamps were also supplied to collectors upon request and these are the stock from which many of the flat plate coil fakes were made.

Scott  Watermark Privately
Perforated by the Following Companies/Types
343 Double-line Attleboro I; Brinkerhoff I, II, IIa,
IIb; Mailometer I, Ia, II, III, IV
Farwell 4a4, 4B4; Schermack I (8 holes), II, III; USAV Ia, Ib, II, III
383 Single-line Brinkerhoff I, II, IIa, IIb;
Farwell 2B3, 3A2, 3B2, 3B4, 4B3, 4A4, 4B4, 4A5
Mailometer I, Ia, II, IV, V; Schermack II, III; USAV Ia, Ib, II, III

See also: Private Perforations – Vending and Affixing Machine Perforations.

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