- imitations show irregularities in the frame lines. (askew)... using metrics software I have discovered V/H variances between positions ... i.e. no standard size exist as genuine.
- compare image to that of genuine example ... and look for sanko marks ...
- TC : torn or cut perforations : no booklets were issued; imitations often show cuts to perfs.
- multistrike cancels are rare on genuine, more common on reproductions
- negative image : the genuine inks are more transparent, than imitations (opaque) ... look for extraneous dots from tooling or air bubbles in ink on imitations
The Koban Study Group 小判
2012-02-27
determining if false ... (faux)
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THE SPIRO FORGERIES OF JAPANESE STAMPS By Harold E. M. Bradshaw and Varro E. Tyler, Jr. Philatelic forgery, the production of counterfeit po...
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early litho 15sen with wada cancel ex KB1 Kam igata was not the producer of litho facsimiles attributed to him, but merely the publisher. ... -
In Japan, Kotaro Wada was only supplier of copper-plate facsimiles... Maeda Kihei produced all litho-koban - including spiro group. origi...
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