I believe this is copper

[Sandmaniac]

The date is 1758 should I clean or leave as is

 

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[low xtreme]

doesn't look dirty to me. i'd leave it

 

[Elvis]

Looks good as it is, I'd leave it.

 

[Ant]

Yeah, leave um when they look like that. Nice.

 

[drver]

I’d leave it alone also. If you try to clean it you’ll also remove allot of the value.

 

[Gatorinsc]

I would leave that alone. It appears to be a coin about a Pope from that era because that looks like a Papal Seal.

 

[Sandmaniac]

Thanks for the tips guys.
will do.
MIke