1. Is it worth cleaning these pennies? 2. If so is there a way to mass clean them? Way too many to do one at a time. 3. Should I just go through them and try to pick out key dates? Many are so dirty I would have to clean them a little just to see the date. 4. TY for any suggestions you may have.
Sorry but these all look like spenders to me. Even if there was a mint error, this level of damage would remove most or all of the added numismatic value.
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz
Some call his sort of 'dirty'ugly patina, some call it light surface corrosion. Either way, impossible to clean anyway.
If CRH'ing only pick one or two of the very best examples. Same thing with very minor errors and varieties. The best examples don't need anything done to improve them, and will loose value if you do.
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