American Philatelist: Issue of March 2008, page 220

stamp errors, stamp errors, EFO, Youngblood, squash-effect doubling, halo effect, U.S. Documentary, revenue, dry printing, high offset printing, letterpress process, double transfer, line-engraved, intaglio, all-over double transfer, Philipinne, U.S. Bureau of Engraving and Printing, 1851, First Issue Revenue, kiss prints, chill roller doubling

Keywords: stamp errors, stamp errors, EFO, Youngblood, squash-effect doubling, halo effect, U.S. Documentary, revenue, dry printing, high offset printing, letterpress process, double transfer, line-engraved, intaglio, all-over double transfer, Philipinne, U.S. Bureau of Engraving and Printing, 1851, First Issue Revenue, kiss prints, chill roller doubling

John M. Hotchner

Errors, Freaks & Oddities

The Columns
from Linn's

Computer-Vended Postage

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