Hi everyone.. I acquired this 1951 S Lincoln Wheat Cent Certified by NGC as a Partial Collar and also Altered Color. My question is.. What do you think Altered Color means? I have no clue. Anyone ever seen an attribution as this one?
My guess (could be wrong of course) is that it was chemically dipped in an attempt to remove toning. Possibly it was because of those black spots on the reverse.