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How Do You Grade Roman Coins, What Grade Is This Gordian III

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Moniker's Avatar
Sweden
1825 Posts
 Posted 09/07/2024  08:41 am Show Profile   Bookmark this topic Add Moniker to your friends list Get a Link to this Message Number of Subscribers

I guess its different from modern coins? Au or xf?

Thankful for input


How-Do-You-Grade-Roman-Coins,-What-Grade-Is-This-Gordian-III
How-Do-You-Grade-Roman-Coins,-What-Grade-Is-This-Gordian-III
How-Do-You-Grade-Roman-Coins,-What-Grade-Is-This-Gordian-III
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t360's Avatar
United States
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 Posted 09/07/2024  09:41 am  Show Profile   Bookmark this reply Add t360 to your friends list Get a Link to this Reply
A beauty! I would say AU.
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Moniker's Avatar
Sweden
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 Posted 09/07/2024  09:59 am  Show Profile   Bookmark this reply Add Moniker to your friends list Get a Link to this Reply
Thank you so generally same criteria as modern coins when grading?
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United States
130 Posts
 Posted 09/07/2024  10:50 am  Show Profile   Bookmark this reply Add arkadyn to your friends list Get a Link to this Reply
UNC, could be high end AU. Same criteria.
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Sharks's Avatar
Canada
1764 Posts
 Posted 09/07/2024  4:48 pm  Show Profile   Bookmark this reply Add Sharks to your friends list Get a Link to this Reply
Great looking coin!
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Moniker's Avatar
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 Posted 09/08/2024  05:33 am  Show Profile   Bookmark this reply Add Moniker to your friends list Get a Link to this Reply
Sweet thank you for helping out all
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oriole's Avatar
Canada
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 Posted 09/08/2024  05:40 am  Show Profile   Bookmark this reply Add oriole to your friends list Get a Link to this Reply
Just so you know, ancient coins are also evaluated on 3 additional factors:

Strike
Surface
Style

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United States
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 Posted 09/08/2024  10:51 am  Show Profile   Bookmark this reply Add arkadyn to your friends list Get a Link to this Reply
Yep, strike/surface 1-5(5 best)
Style fine- for high artistic quality of the die.
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Moniker's Avatar
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1825 Posts
 Posted 09/08/2024  1:27 pm  Show Profile   Bookmark this reply Add Moniker to your friends list Get a Link to this Reply
Style Thank you for this info
I wonder why the think aditional criterias is needed
Edited by Moniker
09/08/2024 1:27 pm
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oriole's Avatar
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 Posted 09/08/2024  5:17 pm  Show Profile   Bookmark this reply Add oriole to your friends list Get a Link to this Reply
@Moniker, the simple answer is that there is too much variability in ancient coins for a single criteria to be sufficient. Those other three factors are very important to assess the desirability of a particular coin.
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Sap's Avatar
Australia
16827 Posts
 Posted 09/08/2024  6:45 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
There are some key differences between ancient and modern grading. The most important of which is to unlearn everything you've learned about "cleaned coins = bad". Because every single ancient coin in existence has been cleaned, because they all have been buried in the ground for most of the intervening period between when they were made and now. And with the exception of gold coins, every one of them came up out of the ground looking like a greenish rock. They need to be cleaned, sometimes harshly, just to make them look like coins again.

In the case of this coin, one would obviously expect a 1700 year old 50% silver coin to be at the very least quite black, probably greenish-black.This kind of blast-white appearance is, however, perfectly acceptable on this coin, where on a modern coin such treatment would probably qualify as overcleaning.
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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sel_69l's Avatar
Australia
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 Posted 09/09/2024  01:20 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
Modern coin grading is inappropriate for the grading of ancient coins.
Sap has made some very salient comments regarding the grading of ancient coins.

This coin:
AS (As Struck) Comment: large flan chip.

AS is the highest grading that can be obtained, as far as wear is concerned, - the term 'uncirculated' doesn't make much sense in regard to ancient coins.

There is no obvious circulation wear to be seen, - was most probably part of a hoard.

The flan chip is most probably due to silver crystallization or corrosion inside a flan crack which eventually caused the chip to fall off.

Well photographed !
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Moniker's Avatar
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 Posted 09/09/2024  05:09 am  Show Profile   Bookmark this reply Add Moniker to your friends list Get a Link to this Reply
Oriole, sap and and sel big thank you, intesting and edjucational answers and they make sense
Yes I'm happy with first pic turned out great.
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oriole's Avatar
Canada
5240 Posts
 Posted 09/09/2024  2:39 pm  Show Profile   Bookmark this reply Add oriole to your friends list Get a Link to this Reply
@Moniker, do enjoy your ancient coin(s). It is remarkable that there are so many of them available for us to collect.
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jbuck's Avatar
United States
188374 Posts
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Moniker's Avatar
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1825 Posts
 Posted 09/10/2024  4:04 pm  Show Profile   Bookmark this reply Add Moniker to your friends list Get a Link to this Reply
Thank you JB

Thank you Oriole, I am enjoying them much, but will try to get some greek coins aswell
Edited by Moniker
09/10/2024 4:05 pm
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