Im going to clean my trime. Any suggestions?

[Mr. Digger]

I'm going to clean my trime. Any suggestions?

I've thought this through. It's not a valuable coin and I think I can get the rest of that black gunk off. I can't tell if it's tarnish or maybe tar or something. Some of it came off after the initial warm water/soap/soft tooth brush process at the sink, and that's all I've done to it so far. Any suggestions? I don't want to do the baking soda paste rub because it will be too silvery looking. Any other methods? Maybe I should just soak it in soapy distilled water for a while and that stuff will loosen up. Thoughts?

 

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[Jason in Enid]

You aren't going to remove black oxidation without brightening the whole coin. You could try the aluminum foil/baking soda method but it might "shine" the coin too. At least it won't be polished like when you rub it with the baking soda paste.