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Asian Token Or Coin. Anyone Have Any Idea? | Damaged Sen

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mattbrowning7's Avatar
United States
321 Posts
 Posted 09/01/2010  10:14 am Show Profile   Bookmark this topic Add mattbrowning7 to your friends list Get a Link to this Message Number of Subscribers
Any ideas?

Asian-Token-Or-Coin.-Anyone-Have-Any-Idea?-|-Damaged-Sen

Asian-Token-Or-Coin.-Anyone-Have-Any-Idea?-|-Damaged-Sen

yes, the reverse is blank

Identified - moved to World Coins forum - Sap
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pls's Avatar
United States
1729 Posts
 Posted 09/01/2010  10:34 am  Show Profile   Bookmark this reply Add pls to your friends list Get a Link to this Reply
Looks like Y-47, one sen, 32 mm, with the obverse ground flat. Krause lists this as being produced from 1927-1938. The obverse displays an oak leaf in the center and other info, including the date, in kanji characters.
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Sap's Avatar
Australia
16806 Posts
 Posted 09/01/2010  10:38 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply

Quote:
yes, the reverse is blank

It's blank now, but it's not supposed to be. The side you can see is the reverse of a Japanese 1 sen from the period 1927 to 1938. WorldCoinGallery example, though the reverse on that page is upside-down; you have it the right way up.

The obverse was presumably ground away, for reasons which may now never be known.
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mattbrowning7's Avatar
United States
321 Posts
 Posted 09/01/2010  12:23 pm  Show Profile   Bookmark this reply Add mattbrowning7 to your friends list Get a Link to this Reply
So the obverse is the blank side? Its so flat. There is no indication that anything was ever there. Could it have not been struck? There isn't even a rim. Thanks for the info guys
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biokemist6's Avatar
United States
12437 Posts
 Posted 09/01/2010  3:16 pm  Show Profile   Bookmark this reply Add biokemist6 to your friends list Get a Link to this Reply
You cannot strike a coin on only one side because you need a hammer die and an anvil die to strike a coin. The absence of a rim is also an indicator of removal since most countries run their planchets through an upsetting mill to create a proto-rim which aids the striking of a coin. The fact that numerous parallel striations are present seals the deal for post-mint mechanical removal.
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mattbrowning7's Avatar
United States
321 Posts
 Posted 09/02/2010  01:16 am  Show Profile   Bookmark this reply Add mattbrowning7 to your friends list Get a Link to this Reply
Thanks for clearing that up the technical way biokemist! I often see that you post detailed explanations of the mechanics of coin producing and coin striking. What do you suggest I read to learn about the coin making process myself?
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