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Interesting clay coin from Japan - 1945 1 sen
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<p>[QUOTE="hontonai, post: 481814, member: 4703"]There is a little bit of controversy about that. Krause asserts that the 1 sen "circulated unofficially for a few days before the end of WW II in Central Japan”, but I’ve never found any other authority for that statement. (They don’t make the same claim about the 5 sen or 10 sen versions.)</p><p><br /></p><p>Michael Cummings, in <i>Modern Japanese Coinage</i> (2d Ed. 1978) describes the process by which some 15-million (all denominations) were stamped and baked (with considerable breakage and other manufaturing damage) by private pottery companies on behalf of the Mint. He reports at least 20 different types in white, red and brown colors, and gives a $200-400 value for complete sets. Before his death a few years ago, he was selling them on Ebay at <$10 for the red 1 sen, and usually $100 or more for anything else.</p><p><br /></p><p>The Japanese Numismatic Dealers Association Catalog lists all three as porcelain patterns, implying that they were never circulated. It values them at ¥2-5,000, ¥40-80,000 and ¥50-100,000 respectively, and does not mention anything about color variations.</p><p><br /></p><p>Jacobs & Vermuele, in <i>Japanese Coinage</i> (Part Two, 1953) describe all three as “red fibre which did not circulate", and state that the 5 sen and 10 sen are also known in “clay and various such materials” but does not say that about the 1 sen. Their valuations were $4, $35 and $35 respectively. Incidentally, I have never seen fibre examples, nor heard of them from any other source. Fibre coins were circulated in some occupied territories.</p><p><br /></p><p>The other primary English language work on Japanese coins, Munro’s <i>Coins of Japan</i> (1904) pre-dates these coins, and the 1962 reprint was not updated.</p><p><br /></p><p>Lesser known author J.G. Spadone (<i>Catalog of Modern Japanese Korean Manchukuo Coins</i>, 1960) ignores them, leaving Krause as the only English language “authority” claiming that any of them actually circulated.</p><p><br /></p><p>Collector friends in Japan have told me there is no record of circulation for any of the clay/porcelain coins, and while the Japan Mint Bureau website has no mention of the higher denominations, it specifically states that the 1 sen was “never issued”. Presumably all three were displayed at the Osaka Mint’s special ceramic coin exhibition last August, which unfortunately I did not have an opportunity to attend.</p><p><br /></p><p><br /></p><p>This excerpt from the JNDA Catalog gives the name and location of a ceramics factory and a breakdown of two types of clay, a type of stone, and "other" components of the mix.[/QUOTE]</p><p><br /></p>
[QUOTE="hontonai, post: 481814, member: 4703"]There is a little bit of controversy about that. Krause asserts that the 1 sen "circulated unofficially for a few days before the end of WW II in Central Japan”, but I’ve never found any other authority for that statement. (They don’t make the same claim about the 5 sen or 10 sen versions.) Michael Cummings, in [I]Modern Japanese Coinage[/I] (2d Ed. 1978) describes the process by which some 15-million (all denominations) were stamped and baked (with considerable breakage and other manufaturing damage) by private pottery companies on behalf of the Mint. He reports at least 20 different types in white, red and brown colors, and gives a $200-400 value for complete sets. Before his death a few years ago, he was selling them on Ebay at <$10 for the red 1 sen, and usually $100 or more for anything else. The Japanese Numismatic Dealers Association Catalog lists all three as porcelain patterns, implying that they were never circulated. It values them at ¥2-5,000, ¥40-80,000 and ¥50-100,000 respectively, and does not mention anything about color variations. Jacobs & Vermuele, in [I]Japanese Coinage[/I] (Part Two, 1953) describe all three as “red fibre which did not circulate", and state that the 5 sen and 10 sen are also known in “clay and various such materials” but does not say that about the 1 sen. Their valuations were $4, $35 and $35 respectively. Incidentally, I have never seen fibre examples, nor heard of them from any other source. Fibre coins were circulated in some occupied territories. The other primary English language work on Japanese coins, Munro’s [I]Coins of Japan[/I] (1904) pre-dates these coins, and the 1962 reprint was not updated. Lesser known author J.G. Spadone ([I]Catalog of Modern Japanese Korean Manchukuo Coins[/I], 1960) ignores them, leaving Krause as the only English language “authority” claiming that any of them actually circulated. Collector friends in Japan have told me there is no record of circulation for any of the clay/porcelain coins, and while the Japan Mint Bureau website has no mention of the higher denominations, it specifically states that the 1 sen was “never issued”. Presumably all three were displayed at the Osaka Mint’s special ceramic coin exhibition last August, which unfortunately I did not have an opportunity to attend. This excerpt from the JNDA Catalog gives the name and location of a ceramics factory and a breakdown of two types of clay, a type of stone, and "other" components of the mix.[/QUOTE]
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