Opinions on this 1873-CC Trade Dollar

I bought this one raw from a local dealer and I believe it's genuine. What concerns me is the surfaces look like they may have been retoned. There is a faint grayish cast around some of the darker toning that does not look right to me. The dealer did not think it had been messed with, but I'm not too sure. What do you guys think? I paid $450 and can return it at any time. I like the coin, but I'm not sure if PCGS or NGC would holder it.



Who is General Failure, and why is he reading my hard drive?
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Comments
Obscurum per obscurius
AL
Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire
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