Plated State Quarter? Super Shiny - 5.8 Grams

What is the coating on this 2007 P Washington State quarter? Thank you!

 

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High school experiment not an error and as you stated it's been plated-damage.By the pictures I'd say steel but the only one who truly knows is the person that did it,still just a quarter.

 

It's hard to tell from just a photo, but it looks like chromium to me. There are a lot of platinum-plated ones out there (the platinum's not thick enough to increase their value), but they seem like they aren't quite this shiny.

 

Back when the state quarters were running a fellow named Mike Mezak mad a small fortune plating these quarters and selling them as sets on the television. As @-jeffB said, there isn't enough precious metal coating to add any value, so numismatically speaking, they are simply damaged goods.

 

Yours is not coated but it is plated and that makes it damage as it shouldn’t be.

 

Thanks for all of the responses! It is such an unusual looking coin that I was curious about the cause of its appearance. I very much appreciate the expertise of all who assist those of us who are lack who extensive knowledge in this field!!!

 

You’re welcome and you should tune in more often.

 

There is an entire industry that takes US (and other countries) currency and plates them and resells them. Various metals over time depending upon the price of the metal. One such company as this : America the Beautiful Parks Quarters, America the Beautiful U.S. Parks Quarters (merrickmint.com)

 

When found in the wild these plated quarters really stand out! Nickel plating will give long lasting shiny surfaces
A magnet test may reveal a slightly ferromagnetic attraction

 

At least you recognized it was most likely plated. That's a good sign. Keep up the search.

 

I will! Thank you!!