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Jacko34 05-28-2017 07:45 AM

Cleaning a penny with rough grime on it
I recently dug up a penny with some rough grime on it. It looked almost impossible to get off, but I didn't do anything to it because I did not want to ruin the coin too much. The coin is unreadable. Nothing on it is visible. How do I go forth cleaning this safely?


bruinvikes 05-28-2017 08:04 AM

Start with warm water, dish soap and a toothbrush

BaldAssCat 05-28-2017 10:30 PM

I like to let them soak in water for a few days. Sometimes it softens the grime enough to clean off using a water spray or a light rub from a splintered toothpick. If it doesn't work then no harm done and you can still try other things if you want.

Mikey48 05-28-2017 10:42 PM

Ditto +2 Warm water and dish soap. Don't be in a hurry. Some of that crud will soften up over a few days.
Use the wooden toothpick as described after that to see if it is releasable.

Note: If it's a zinc cent, it most likely will be internal corrosion and that is a dead end for the zincoln.

CJ319 05-28-2017 10:51 PM

Leave it as is and tell everyone its an 1859 Indian head. When they ask how you know it is, ask them how they know it isn't.

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