Missing clad quarter--one side will and deep gray --other side shiny

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It looks like this one has been in circulation and probably was exposed to the environment . The clad coins can change to all types of different colors when out in the environment . I have some new ones that have toned to a copper color after they were left unprotected for a while.

 

environmental damage.

 

Clad quarters are composed of an outer layer of copper-nickel bonded to a core of pure copper. If it were missing a clad layer that side would be copper colored. From your photos both sides look normal.

 

If a clad layer was missing I would not expect the copper to tone a "deep grey". Als the weight is well within tolerance. I would expect a missing clad layer weight to be around 4.8 grams.

 

Environmental damage. A missing clad layer will be all copper colored.

 

I was just curious how one side stays shiny and looks AU and the other side is a VG at best?

 

This can happen when a coin is laying on something for a long time , Like say the ground for example. Some folks digs them out of the ground with metal detectors and some of them are in horrible cond. If you find a missing clad layer coin it will have all copper on one side, not just toned a copper color