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Coin Dating By Reign Years

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j_hewes's Avatar
United States
52 Posts
 Posted 10/10/2015  12:34 am Show Profile   Bookmark this topic Add j_hewes to your friends list Get a Link to this Message Number of Subscribers
Hi,

I have seen many Islamic coins which carry both an ascension date and a reign year. My understanding is that the "minting" date of a coin should be got by adding the two.

So for example, a coin dated AH1233/32 would really have been minted in 1233 + 32 -1 = AH1264. Take 1 off because the first year of the reign is year 1.

Am I doing this right? It works for Japanese coins; I thought it would apply as well to Islamic coins.

Thanks,
John
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jjwabraham's Avatar
United States
288 Posts
 Posted 10/12/2015  07:34 am  Show Profile   Bookmark this reply Add jjwabraham to your friends list Get a Link to this Reply
Hi John, Yes you are correct. It is the same as Japanese dating, with the exception that Islamic coins, most notably countries that were part of the Ottoman Empire, almost always have the ascension year on the coin, whereas Japan doesn't put that on theirs. Many times the regnal year is on the opposite side of the ascension date. Good luck and welcome, I too am new, John
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jbuck's Avatar
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OspreyCoins's Avatar
United States
932 Posts
 Posted 10/12/2015  10:27 am  Show Profile   Bookmark this reply Add OspreyCoins to your friends list Get a Link to this Reply
Interesting...
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TypeCoin971793's Avatar
United States
6370 Posts
 Posted 10/12/2015  1:34 pm  Show Profile   Bookmark this reply Add TypeCoin971793 to your friends list Get a Link to this Reply
Same with Chinese and Roman coins. Maybe even Greek coins.
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Sap's Avatar
Australia
16841 Posts
 Posted 10/13/2015  05:45 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
"Regnal dates" are the earliest forms of dates being put on coins; it is a practice going back to the ancient Greeks and Romans. While once common, only two countries continue it regularly: Japan and the Vatican City. Though one could perhaps argue that the Taiwanese calendar is a continuation of the old Chinese Imperial regnal year calendar.

A variation on this theme is the dynastic calendar, where Year 1 is the accession of the dynasty's founder. North Korea is the latest in a long line of nations to date their coins this way.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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