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TPG Details Grading

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codemahn28's Avatar
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10 Posts
 Posted 10/04/2013  12:16 am Show Profile   Bookmark this topic Add codemahn28 to your friends list Get a Link to this Message Number of Subscribers
How much does a details grade truly drop a coin's value? Say a PCGS coin is worth $1000 in MS60, but it receives a UNC Details Cleaning grade instead. Is there a way to roughly estimate how much value will be lost?
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basebal21's Avatar
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 Posted 10/04/2013  12:35 am  Show Profile   Bookmark this reply Add basebal21 to your friends list Get a Link to this Reply
It depends on the rarity of the coin, and what kind of details it is.

The best bet it to try and find examples of the same thing that sold on ebay. Rough estimate for commons though cut the price in half as long as that doesn't bring it below melt value if it has a precious metal in it. If it does contain a precious metal just treat common coins like bullion at that point.
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westcoin's Avatar
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 Posted 10/05/2013  07:18 am  Show Profile   Bookmark this reply Add westcoin to your friends list Get a Link to this Reply
Also would depend on why the reason for a details grade was given and the collector considering purchasing it, say a scratched coin vs. a lightly corroded coin. Some collectors are not bothered by a little corrosion, while others are, the scratched coin is it through the central part of the coin or hidden in the design. There are so many variables to consider in details coins. Generally speaking anywhere from 20-70% of book value though.
"Buy the Book Before You Buy the Coin" - Aaron R. Feldman - "And read it" - Me 2013!
ANA Life Member #3288 in good standing since 1981, ANS, Early American Coppers Member (EAC), Colonial Coin Collectors Club member (C4), Conder Token Collector Club member (CTCC), Civil War Token Society (CWTS) member, Liberty Seated Collectors Club (LSCC) & Numismatic Bibliomania Society member (NBS), USMex, Member in good standing, 2¢ variety collector.

See my want page: http://goccf.com/t/140440
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D0ubl3Eagle's Avatar
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 Posted 10/05/2013  12:48 pm  Show Profile   Bookmark this reply Add D0ubl3Eagle to your friends list Get a Link to this Reply
with westcoin.
One thing I would like to add is it would also depend on how much the coin increases in value with increases in grade. So if the coin is like 1928 Peace dollar which increases very little in circulated grades, a problem does not drop the value too much. For example, on Heritage an mid to high AU coin auctions for around $350 while problem examples in the same grade can still go for about $250. Now, I am assuming this is in regards to the 1892-S whose value increases exponentially with increases in grade. For these coins, a problem is going hurt the value much more than in the previous example. On Heritage, an AU-50 may sell for $1400-1500+ while a problem coin with the same amount of details could sell for between $200-1000 though there is a clustering at around $500.

Westcoin has already touched upon this but the key is eye appeal which is very subjective and that makes it difficult to say how much it would affect the value.
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vermontensium's Avatar
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 Posted 10/05/2013  9:09 pm  Show Profile   Check vermontensium's eBay Listings Check vermontensium's eCrater Listings Bookmark this reply Add vermontensium to your friends list Get a Link to this Reply
westcoin nailed it. 20-70% depending on severity of the problem.
Refer to Heritage auctions archives for comparisons.

Severely corroded, holed, harshly cleaned/polished, graffiti would be some of the worst problems and would command the largest percentage of diminished value.
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kanga's Avatar
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5825 Posts
 Posted 10/30/2013  11:55 am  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply
To me any coin labeled DETAILS (or Genuine) should not get more than 20-25% of catalog.
Truly rare coin are an exception.
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oih82w8's Avatar
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7840 Posts
 Posted 10/30/2013  12:59 pm  Show Profile   Bookmark this reply Add oih82w8 to your friends list Get a Link to this Reply
My 1849 Seated Liberty dollar (AU Details - Questionable Color) is a good example of a decent buy, although I am not sure where it would fit in if it were "problem free", but I plan on keeping her;


Numismedia FMV
AU50 $1000
AU53 $1080
AU55 $1280
AU58 $1720

TPG-Details-Grading

with the preveous posters have said, it depends on what the "issue" is.
Edited by oih82w8
10/30/2013 4:01 pm
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westcoin's Avatar
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 Posted 10/30/2013  4:52 pm  Show Profile   Bookmark this reply Add westcoin to your friends list Get a Link to this Reply

Quote:
My 1849 Seated Liberty dollar (AU Details - Questionable Color) is a good example of a decent buy, although I am not sure where it would fit in if it were "problem free", but I plan on keeping her;


I think that "questionable color" is probably the bet case scenario for a details graded coin. It's only questionable to the TPG that slabbed it, doesn't mean that the coin is absolutely, for sure, 100% artificially toned, it may just be questionable, and actually just fine! These types of details grade should bring the highest pricing in detail coins. Where as, heavy corrosion with pitting, bent, graffiti or scratched badly, etc. should bring the lowest amounts in the marketplace.

That coin could easily grade just fine on a good day at a TPG, especially with some years stored in an album allowing it to tone somewhat more. It's what I would call a good buy if you purchased it at a discount due to the details grade!
"Buy the Book Before You Buy the Coin" - Aaron R. Feldman - "And read it" - Me 2013!
ANA Life Member #3288 in good standing since 1981, ANS, Early American Coppers Member (EAC), Colonial Coin Collectors Club member (C4), Conder Token Collector Club member (CTCC), Civil War Token Society (CWTS) member, Liberty Seated Collectors Club (LSCC) & Numismatic Bibliomania Society member (NBS), USMex, Member in good standing, 2¢ variety collector.

See my want page: http://goccf.com/t/140440
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