Curved planchet or wear & tear on 1999 Pennsylvania Quarter

[CoinGirl]

I'm still an infant in my learning process, so please excuse me if these questions are extremely naive. I have a lot to learn! I found this quarter and...

[Novo_Ordo]

The answer is almost always post-mint damage, but I've not seen added copper appear in addition to incuse errors. Might the increasing weakness of U-S-T...

[antique96@outlook.com]

Hi ,
Can someone help me to understand if this is an error or damage.
does this have any value more than a penny
Looks like something...

[cancan58]

Hello,

My question is concerning straitions in the planchet, specifically proof coins that are in the holder. Would that be a mint error...