Trimmed Perforations table - perforated stamps commonly trimmed to
look imperforate
JIm Baughman's How to do a “flip-comparison” test on perforations
"Manufactured" Stamps table - commonly "manufactured" flat plate issues
Richard Doporto's Fakes
Purchased on eBay - closeup photos and detailed exposés of deperfs,
reperfs, faked grills, removed cancels, etc
Croton Stamp Co.
website - information on trimmed "coils", including a reference table,
as well as ways to detect regummed and reperforated stamps
Philatelic Hall of Shame
- detailed information on the reperfing, trimming and regumming of
stamps
Phillips Stamp Site - examples of 19 "Obvious
Fakes" of common stamps which have been reperfed, trimmed to make
"coils" and "imperfs", or with added grills, accompanied by tips on
how to detect the tampering
Counterfeits
and Fakes of Confederate Stamps website - counterfeits and fakes
of Confederate stamps
CSA Stamps
- Fakes, Counterfeits, Reprints, Facsimiles website - counterfeits
and fakes of Confederate stamps
U.S.
Classics on eBay - as is article - discusses the pitfalls
of buying U.S. classics on eBay, and illustrates the most common misidentifications
and misrepresentations
Bill Claghorn's Comparative
Philatelic Forgery Identification Site - compares forgeries of
many countries with their genuine counterparts
Bill Claghorn's House
of Stamps catalog - copy of the 1985/1988 catalog, showing
many (but by no means all) of the stamps and covers which were reproduced
and sold as replicas
G. Koch's Stamp
Forgery Guide - links to information sources on stamp forgeries
and expertising, list of stamp forgery literature
Evert Klaseboer's Stamps: Catalogue - shows stamps of the world from 1840-1920, with emphasis on identifying forgeries (CDs are available for purchase, and these contain many images not provided on the website)
M C Strathdee's Koban 1876-92 website: What's
New page - information, links and latest updates on Japanese forgeries
Peter
Winter and the modern German forgeries on eBay article - discusses
the history and characteristics of the Peter Winter and modern German
forgeries listed on eBay
