ThumbnailFaked FrequencyScott #PerfWatermarkMade FromNotes
Details 34812 horiz.Double LineFakes are made from:
343 - Adding horizonal perfs and trimming vertical perfs

343E - Adding horizonal perfs

331 - Trimming vertical perf(s)

331a - Trimming vertical perf(s)
Genuine paste up pairs are often not well aligned and may have a hand trimmed look to them. Guideline pairs may be made from booklet panes, look for watermark. Faked examples of this stamp may exhibit the bright green color of the imperf or sheet varieties. Fakes often have holes that are too small, compare with genuine.
Details 34912HDouble LineFakes are made from:
344 - Adding horizonal perfs and trimming vertical perfs

344E - Adding horizonal perfs

332 - Trimming vertical perf(s)

332a - Trimming vertical perf(s)
Genuine paste up pairs are often not well aligned and may have a hand trimmed look to them. Faked examples of this stamp may exhibit a light carmine color of imperf or sheet varieties. Fakes often have holes that are too small, compare with genuine.
Details 35012HDouble LineFakes are made from:
346 - Adding horizonal perfs and trimming vertical perfs

346E - Adding horizonal perfs

334 - Trimming vertical perf(s)
Genuine paste up pairs are often not well aligned and may have a hand trimmed look to them. Faked examples of this stamp may be a light or dark brown color of the imperf or sheet varieties. Fakes often have holes that are too small, compare with genuine.
Details 35112HDouble LineFakes are made from;
347 - Adding horizonal perfs and trimming vertical perfs

347E - Adding horizonal perfs

335 - Trimming vertical perf(s)
Genuine paste up pairs are often not well aligned and may have a hand trimmed look to them. Faked examples of this stamp may be the bright blue color of the imperf or sheet varieties. Fakes often have holes that are too small, compare with genuine.
Details 35212 vert.Double LineFakes are made from:
343 - Adding vertical perfs and trimming horizontal perfs

343S - Adding vertical perfs

331 - Trimming horizontal perf(s)
Genuine paste up pairs are often not well aligned and may have a hand trimmed look to them. Faked examples of this stamp may exhibit the bright green color of the imperf or sheet varieties. Fakes often have holes that are too small, compare with genuine.