Black Beauty 2006 South Dakota D Quarter?

(First of all I'm new here so please go easy on me) I have not seen anything like this, it has the shine of a penny unlike other brown quarters I've seen, with a little bit of a golden shine on the back. Can anyone help?

Updated: Heres a more accurate picture

 

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Help with what?

 

Well I'm not sure what this is.... just some information on what could have done this.

 

It looks to me like it had a run-in with environmental issues while in circulation.

Chris

 

thanks, I just uploaded another picture, it does look cool though

 

Damaged...ugly...collect what you want.

 

If your coin doesn't have a golden hue to it like your photo, you need to adjust the White Balance on your camera.

The photo should look something like this....


Chris

 

this is very accurate to what you see with the naked eye, it is actually quite shiny, more than you can get with a still image oh yes the hue is why I posted it appears to be very golden brown

 

It is my guess that the "hue" was acquired from some environmental issue (PMD).

Chris

 

I think the black beauties are only nickels.
As for your quarter, usually it's an environmental factor.
Perhaps it was in the ground. Water, air, soil, chemicals, elements and pollutants will easily react with the coin and give it a variety of hues.