A soak in mineral oil for six months might help. Otherwise the damage was done and the coin is what it is. Any more messing with it will not make it better.
I have never used a metal digger in 20 years of detecting. Not worth the damage.
bob
Registry: CC lowballs (boblindstrom), bobinvegas1989@yahoo.com
Comments
I have never used a metal digger in 20 years of detecting. Not worth the damage.
bob