martygene
Member
I have lots of old green pennies and I wonder if the green ruins their value? They don't look like copper anymore so does that destroy their numismatic value?
Is there any way to clean the dried dirt on them or will that also ruin their value ( if they have any value that is due to the green)
Thanks
Is there any way to clean the dried dirt on them or will that also ruin their value ( if they have any value that is due to the green)
Thanks