Proper coin cleaning technique

Depends on what your coin is, what it is made out of, and how valuable the coin is.

You clean a key-date gold half-eagle quite differently than you do a 1968 quarter.
 

Well, a 1945 Merc dime isn't worth much more than silver scrap in any sort of circulated grade. I'd wash it with mild soap and water and pick out the dirt using a toothpick, making sure not to scratch the coin.
 

Well, a 1945 Merc dime isn't worth much more than silver scrap in any sort of circulated grade. I'd wash it with mild soap and water and pick out the dirt using a toothpick, making sure not to scratch the coin.

Thanks, how about for a much more valuable coin such as a Morgan Dollar?
 

For junk silver use waterless hand sanitizer and an eraser. Just wet the coin and start lightly erasing. Makes for a shiny finish. As someone said previously, leave your key dates alone.
 

Lemon Juice does the trick on my junk Silver.. Soak it for a few minutes and wipe it with a rag...
 

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