2007 silver proof montana error what happened?

I'm new to this forum so if I screw something up, someone please let me know. Thought I would see if anyone could tell me what happened to this 2007 silver proof montana quarter?
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edit - cannot help quarter question, so sorry
-Paul
photo?
President, Racine Numismatic Society 2013-2014; Variety Resource Dimes; See 6/8/12 CDN for my article on Winged Liberty Dimes; Ebay
Don't see the pic here!
bob
-Paul
-Paul
TD
The name is LEE!
Almost like sand was thrown across when it was struck.
Judging by the top two pictures, the problem may have something to do with rust.
My Adolph A. Weinman signature

<< <i>Judging by the top two pictures, the problem may have something to do with rust.
What does Russ have to do with it??
Oh rus"t", never mind
(Priest) BLASPHEMY he said it again, did you hear him?
<< <i>The coin moved a bit during the normal double-striking procedure. This is not rare on modern Proofs. I don't think it adds any value. >>
I don't think the coin moved. More likely the die moved. Same effect though.
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
<< <i>Jeez, look at al the pitting in the fields! Almost like sand was thrown across when it was struck. >>
You gotta be kidding, that is space between molocules.
<< <i>can you hear me knocking on my monitor ? >>
Well, you got your answer. I never got mine. Welcome to the boards, I'm Joe.
<< <i>Jeez, look at al the pitting in the fields!
Almost like sand was thrown across when it was struck. >>
NGC PF70 UCAM!!!!
<< <i>Judging by the top two pictures, the problem may have something to do with rust.
but i thought the 2007 models weren't suppose to rust.