A dime year 1986 reddish rare coin

[Unum999]

Greetings, A dime year 1986 rare reddish coin both on the obverse and the reverse changes to metal color when tilted. Thanks for any observation.

[MintErrors]

There is nothing rare about a dime that is well circulated, and may have been in the ground, or suffers from environmental damage or post mint damage..

[Petespockets55]

I agree. It has all the earmarks of a coin that has been found metal detecting. (I've found hundreds.)