Got this in my change this morning, 1st thought was nice I got a silver proof but then I seen the P mintmark

I always edge check my coins and that is how I spotted this, any thoughts? By the way the sandwich pic that is not copper on the edge that is just glare.[URL="http://s1120.photobucket.com/user/metaldetector/media/quarter003_zps6dda9e58.jpg.html]

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