talk about an impaired proof coin...

[Corvus]

...look what they did to my boy!

2010-S Mount Hood quarter. Found yesterday in one of the two rolls my credit union begrudgingly gave up. No "W" ones, of course. Reverse fields very hazed; look as if they had been sanded. No idea what the gunk on the obverse is: chewing gum and aluminum powder? Going to give it a soak in alcohol tonight, followed by the same for me.

 

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[galenrog]

Life happens.

Time for more coffee.

 

[Diver_Down]

Careful with assumptions. San Fran produced both proofs and business strikes. The business strikes have been exceptional almost proof-like. I chalk it up to the tiny mintage and the fact that San Fran's coin presses don't receive the wear/tear that Philly/Denver does.

 

[Corvus]

Careful with assumptions. San Fran produced both proofs and business strikes. The business strikes have been exceptional almost proof-like. I chalk it up to the tiny mintage and the fact that San Fran's coin presses don't receive the wear/tear that Philly/Denver does.

Nope - definite proof-like surfaces. Appears the goop may have stained it a bit. I've found some "S" ones this year but none had the frost and black mirror fields.