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 Replies: 9 / Views: 2,675 |
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Valued Member
United States
195 Posts |
Hi all, I know fat man dollars are frequently faked, very frequently. I feel like this one has potential, but I bring it to the forum for opinions. I hope it's real, of course, and I'd put it at unc details, maybe as high as MS61 on a good day for me, and as low as au details, if it's even real. - not magnetic - weighs 26.8g - seems to be the right size, slightly greater diameter than a Morgan dollar- The detail on both sides seems good enough, but I know some fakes can be impressive I assume the photos will help! Thank you for the opinions, N.       |
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Moderator
 United States
34428 Posts |
@num, it is probably worth getting a specific gravity on this one. As long as you have a good balance, you should be able to do this at home. Please post your results to this thread. Thx!
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
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Valued Member
 United States
195 Posts |
Hi Spence,
Well, I ran the best specific gravity I could at home. I have two scales, a coin scale that is more precise but it couldn't handle the weight of the water. Then, I have a cooking scale that is less precise but could.
I got a 3g on the wet weight, with no tenths... so 3.0 or 3.8, I don't know. With a 26.9g and 3g, dry/wet, I get a specific gravity of 8.97. Remember, of course, that it is representing a range because of the lack of significant figures.
Best,
N
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Moderator
United States
34428 Posts |
Ok well, that is a bit in the middle. See below for a link where I compared what I believe to be a real and a fake fatman. On those, I got an sg of 9.9 for the Dollar that I believe is real and 8.0 for the one that I believe is fake. http://goccf.com/t/397629As a next step, you could bring it to a pawn shop or the like to have them non-destructively assess the silver alloy. "If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
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Valued Member
United States
195 Posts |
Spence, one more thing about the specific gravity. When I did it, which I did multiple times, the scale would sometimes be at 3g and sometimes at 2g. I mention this because it looks like a 2.7 would be correct for the weight of 26.9g for the coin.
If it's on the 2/3 border, 2.7 seems like a pretty good number.
Hope others chime in, and thanks for leading it off.
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Pillar of the Community
Canada
5251 Posts |
You need the weight to 1/100 of a gram, otherwise the uncertainties are too great to be conclusive.
Even better, if you have a know real one, compare the sound spectrum with yours.
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Valued Member
United States
195 Posts |
Okay, then I cannot perform the specific gravity at home. When you say sound spectrum, oriole, what do you mean? From my guess, I can tell you that when it rings on a countertop, it basically has the same pitch as a Morgan dollar. Is that what you'd mean by that? N. |
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Pillar of the Community
Canada
695 Posts |
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Valued Member
United States
195 Posts |
Don't suppose anyone else would like to give an opinion as to whether or not this is real.
Thanks,
N.
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Bedrock of the Community
United States
36844 Posts |
This one looks genuine to me. AU-55 but appears to have been cleaned.
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Replies: 9 / Views: 2,675 |
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Posted 12/26/2021 6:52 pm
