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Measuring Roman Coins

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ancientcoinguy's Avatar
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 Posted 02/04/2012  8:37 pm Show Profile   Bookmark this topic Add ancientcoinguy to your friends list Get a Link to this Message Number of Subscribers
Poll Question
I want to know how you all measure the diameter of your Roman coins. As you know, the flan is seldom perfectly round, so this raises a few questions. There is no set way in measuring the coins, so I want to know how you measure them, or how you think they should be measured.

Poll Choices
 Measure coins at the thinnest part.
 Measure coins at the widest part.
 Measure coins by taking the average of the thinnest and widest parts.
 I don't measure my coins, so I don't care.

Edited by ancientcoinguy
02/04/2012 8:39 pm
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echizento's Avatar
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 Posted 02/04/2012  8:42 pm  Show Profile   Bookmark this reply Add echizento to your friends list Get a Link to this Reply
I've always measured at the widest part.
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Bing's Avatar
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 Posted 02/04/2012  8:45 pm  Show Profile   Bookmark this reply Add Bing to your friends list Get a Link to this Reply
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jessvc1's Avatar
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 Posted 02/04/2012  8:46 pm  Show Profile   Bookmark this reply Add jessvc1 to your friends list Get a Link to this Reply
I always measure at the widest unless there is a big difference and its very oval shaped.
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 Posted 02/04/2012  8:58 pm  Show Profile   Bookmark this reply Add Biancasdad to your friends list Get a Link to this Reply
I always measure at the widest AND thinnest points and put BOTH measurements in my attributions.

Obsessive compulsive, uh huh!
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sel_69l's Avatar
Australia
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 Posted 02/04/2012  9:22 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
Average is probably the best. The guys who coined them would not have measured them, and would have only gauged their diameter (size) by perception, with the coin seen as nominally round.

Thinking back over decades, I have never measured an ancient coin for diameter, so maybe it has never been a significant issue. Weight is much more often taken into account.
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bobbyhelmet's Avatar
United Kingdom
2838 Posts
 Posted 02/04/2012  9:55 pm  Show Profile   Bookmark this reply Add bobbyhelmet to your friends list Get a Link to this Reply

Quote:
I always measure at the widest AND thinnest points and put BOTH measurements in my attributions.


Dang, I missed that.


Quote:
Obsessive compulsive, uh huh!


Me too I guess
Edited by bobbyhelmet
02/04/2012 9:55 pm
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VisigothKing's Avatar
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 Posted 02/05/2012  02:28 am  Show Profile   Bookmark this reply Add VisigothKing to your friends list Get a Link to this Reply
Widest for me, when I have a need to measure them, though I don't record the measurements.
Edited by VisigothKing
02/05/2012 02:28 am
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Sap's Avatar
Australia
16872 Posts
 Posted 02/05/2012  03:02 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
I'll typically record both widest and narrowest dimension. But my coin database program just has one field for "diameter"; for significantly non-round coins, I put the average there.
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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maridvnvm's Avatar
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 Posted 02/05/2012  05:19 am  Show Profile   Bookmark this reply Add maridvnvm to your friends list Get a Link to this Reply
I measure and record both but this is not the norm. In my experience dealers and most/all numismatists measure the widest.
Martin
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Gil-galad's Avatar
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 Posted 02/05/2012  10:54 am  Show Profile   Bookmark this reply Add Gil-galad to your friends list Get a Link to this Reply
I saw a seller that gave both widest and narrowest measurements. 18 x 16, for example.
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oxos's Avatar
United States
422 Posts
 Posted 02/05/2012  6:25 pm  Show Profile   Bookmark this reply Add oxos to your friends list Get a Link to this Reply
Widest. Seem to be the way most people have done it. But doing it both makes sense.
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