Well if you are going to try maybe this metal detecting guide to cleaning coins will help (he caveats everything about why you shouldn't clean...
I was told by an AAFES manager that the weight of change was a problem and cost more to ship pennies than much needed quarters etc. the formula...
Totally agree, was told three years ago if I wasn't going to make at least 300 dollars over the cost of the grading than don't bother. I realize...
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