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1910 $20 St. Gaudens

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Bedrock of the Community
United States
94367 Posts
 Posted 09/15/2022  5:02 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list
I'm leaning toward a pass. Unsure of how difficult, or expensive, it is to get a certified ebay example to your home.
Pillar of the Community
United States
3848 Posts
 Posted 09/15/2022  5:20 pm  Show Profile   Bookmark this reply Add jacrispies to your friends list
Gold does tone, and a saint gaudens isn't unusual with a yellow color progression. I see no issues with authenticity. Lots of chatter, MS-62.
Suffering from bust half fever.
Want to learn how to attribute early half dollars by die variety? Click Here: http://goccf.com/t/434955
Shoot me a PM if you are looking to sell bust halves.
Pillar of the Community
Italy
1130 Posts
 Posted 09/15/2022  5:33 pm  Show Profile   Bookmark this reply Add Roma2021 to your friends list
My feeling was a pass too, although I've wavered. I have seen some examples of toning on Saints, but the uneven toning is what makes me flinch. I think I can find a better Saint Gaudens here. Strange part about gold coin sales here is that coins are mostly sold on metal weight with little concern for numismatics. Kruggerands and sovereigns (Elizabeth, George, Edward, Victoria post 1871 are all sold at the same price) and older European gold are more common than anything American. I found a nice 1960 Cien Pesos Chilean coin and an american 1/4 eagle; 1987 is priced the same as any other 1/4 oz of gold for instance. Same with ASEs, I bought a 1986 for the same price as any other ...

I'll look around tomorrow. As things tighten, I am noticing more gold coming into the shops.

Bedrock of the Community
Australia
21788 Posts
 Posted 09/15/2022  6:19 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list
Off color leads me to a question:
What is the accurate weight?

If genuine, then
MS-61.
Pillar of the Community
Italy
1130 Posts
 Posted 09/22/2022  10:20 am  Show Profile   Bookmark this reply Add Roma2021 to your friends list
Alright, so I went back and the coloring is fine. Not sure what I was thinking last week. There are two rough areas that may be old PVC marks...not sure though, just some slight wear in the fields on the obverse.not sure if I'm being too picky or ... What
Edited by Roma2021
09/22/2022 10:25 am
Bedrock of the Community
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United States
18717 Posts
 Posted 09/22/2022  11:04 am  Show Profile   Bookmark this reply Add panzaldi to your friends list

Quote:
Alright, so I went back and the coloring is fine.


so you are saying the original photos you posted are not accurate for color? did you take new photos?
Pillar of the Community
Italy
1130 Posts
 Posted 09/22/2022  11:29 am  Show Profile   Bookmark this reply Add Roma2021 to your friends list
No. I did not. I am confident on the coloring, except for some grainy parts in the fields on the obverse. It is difficult to explain, but shops here are reluctant to allow photos and more than an ask - ie last time - isn't appreciated.
Bedrock of the Community
Australia
21788 Posts
 Posted 09/22/2022  8:41 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list
Has weight confirmed genuine yet?
Pillar of the Community
Italy
1130 Posts
 Posted 09/23/2022  12:48 am  Show Profile   Bookmark this reply Add Roma2021 to your friends list
Yes. It weighs and measures out at the right dimensions; let's say it's authentic. still mixed feelings...
Bedrock of the Community
Australia
21788 Posts
 Posted 09/23/2022  02:54 am  Show Profile   Bookmark this reply Add sel_69l to your friends list
First, take to a dealer for a comparative ping tone test against a known genuine Double Eagle.

If you still have mixed feelings, an XRF test would be appropriate.
Any specialist bullion dealer worth their salt should have a hand held XRF instrument. They may charge a fee to test your coin and give you the results, but they do not necessarily have to offer an opinion re authenticity for your coin.

Failing that, just submit to a top shelf TPGrader. They will not grade it, if, in their opinion, the coin is not genuine. Potential value after grading can well justify the grading and return shipping fees. in this case.

If, after all of this, the coin checks out well, it is reasonable to assume that
the off color is most probably a toning of the copper component in the alloy, due to aggressive environmental conditions.
Pillar of the Community
Italy
1130 Posts
 Posted 09/23/2022  04:46 am  Show Profile   Bookmark this reply Add Roma2021 to your friends list
Thanks @sel. I am confident the coin is authentic... Just considering holding out for a better example or diversifying further...
Pillar of the Community
Italy
1130 Posts
 Posted 09/24/2022  06:19 am  Show Profile   Bookmark this reply Add Roma2021 to your friends list
Am I imagining PVC damage?
Bedrock of the Community
Australia
21788 Posts
 Posted 09/24/2022  10:49 am  Show Profile   Bookmark this reply Add sel_69l to your friends list
PVC damage? - Most probably not, with gold coins, and I don't think so in this case, anyway.

Hard PVC us known as uPVC (unplasticized PVC), and is commonly found in PVC piping without a plasticizer, because the plasticizer is not needed. uPVC piping has an opaque material added.

The softener in clear, soft pliable PVC is Diisononal Phthalate, (C26H42O4) which is a clear, oily liquid. There is no corrosive chlorine in this liquid, which slowly gasses out and can deposit on coins.
This oiliness on the surface of the coin would be easily removed with acetone.

When the oily DP is contaminated, bronze coins in particular, can be affected, but very much less so, with high purity (900 fine or higher), gold coins
Pillar of the Community
Italy
1130 Posts
 Posted 09/24/2022  1:53 pm  Show Profile   Bookmark this reply Add Roma2021 to your friends list
thanks @sel. The problem is the coin has some dark spots in the fields on the obverse. I can't tell, having not handled this coin before, if it is normal wear or some PVC damage. I suspect it is not damage and I'm just being picky. I doubt the damage would be in the low relief of the fields. I will post another gold coin I am looking at on a different thread.
Valued Member
United States
52 Posts
 Posted 09/26/2022  8:24 pm  Show Profile   Bookmark this reply Add Windmiller to your friends list
If it were me I would keep looking. Not sure what the buff looks like.
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