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| APS Affiliate #103 |
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| ATA Chapter #94 |
U.S. Stamp News: Issue of November 2006, page 26
Keywords: stamp errors, computer vended postage, stamp errors, EFO, Ryskamp, computer vended postage, Neopost, control number errors, Scott CVP39, Scott CVP181, Scott CVP53, 2002, Scott CVP44, Scott CVP46, Scott CVP48, Scott CVP50
John M. Hotchner
Errors, Freaks & Oddities
The EFO Collector
The Archives
John M. Hotchner
EFO Corner
The Columns
from Linn's
from Linn's
Articles By
Wayne Youngblood
AG
Files
Ryskamp
on
Computer-Vended Postage
Not
quite
EFOs