2c in Letters Imperforate Washington Franklin Postage Stamp

US344 - 2¢ Washington Imperforate Double-line Watermark
US344 – 2¢ Washington Imperforate Double-line Watermark

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.

Watermark US Privately Perforated by:
Double-line 344 Attleboro; Brinkerhoff I, II, IIa, IIb; International Vending Machine; Mailometer I, II, III, IV  Schermack I, II, III; USAV I, II, III
Single-line 384  Brinkerhoff  II, IIa, IIb; Farwell 1, 2A3, 2B3, 3A2, 3B4, 4A3, 4B3, 4A, 4B, 4A5  Mailometer I, II, IV; Schermack II, III; USAV I, II, III
Washington Franklin Identifier – Home Page
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