poor design corners and 14 petal kiku
corner designs poor, oval too wide
17 petal kiku
publishers improvised designs, lacking true copies
The Koban Study Group 小判
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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...