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Some General TPG Questions

 
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Author Previous TopicReplies: 3 / Views: 287Next Topic  
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Australia
346 Posts
 Posted 03/01/2021  02:52 am Show Profile   Bookmark this topic Add echidna to your friends list Get a Link to this Message
Couple of questions regarding TPG grading.
Thanks in advance for your comments.

Do TPGs grade with the hardness of the metal in mind ?
So gold gets graded more leniently.
Silver a bit harsher etc.

If a coin has a 62 obverse and a 64 reverse is the final grade 62 or 63 ?

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United States
1327 Posts
 Posted 03/01/2021  02:59 am  Show Profile   Bookmark this reply Add That Coin Dude to your friends list Get a Link to this Reply
First one is a no. Second one depends on who it is.
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13611 Posts
 Posted 03/01/2021  05:55 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply

Quote:
f a coin has a 62 obverse and a 64 reverse is the final grade 62 or 63 ?

I recall reading somewhere on one of the TPG sites, or it might have been in the Survival Manual, that for clearly split-grade coins, the obverse contributes 80% of the net grade. So a coin with a 62 obverse and 64 reverse should grade a 62; the other way around, should be a 64.
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United States
36 Posts
 Posted 04/14/2021  1:35 pm  Show Profile   Bookmark this reply Add classic_coin to your friends list Get a Link to this Reply

Quote:
Do TPGs grade with the hardness of the metal in mind ?
So gold gets graded more leniently.
Silver a bit harsher etc.

Nope, that would be grading on a curve. Part of the value of high-grade gold coinage comes from the low odds of a gold coin surviving undamaged-enough to get such a high grade in the first place.

Come to think of it, that's the case with all coins really, but more so with gold.
Edited by classic_coin
04/14/2021 1:38 pm
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