Your original post was "How about this bad bear? Panama 20 Balboa. 5 ounces of 90% silver!" All I did was point out that it was closer to 4 oz...
I think it does. If I were to buy some coins thinking they were 90 or 92.5 or 99+% and found out they were 40%, I would be upset.
Actually 4 ounces and sterling silver (92.5%).
Sounds like some organic contaminant. If you have any alcohol around, you could try that, but you would probably have better luck with acetone.
Scrubbing coins with or without any added agent is not really a process that I would recommend because of the possibility of adding scratch marks....
Actually, AFAIK, baking soda is relatively mild and using it in a bath to neutralize acids would not harm coins. Now start scrubbing them with...
So we should be careful not to ingest sodium chloride? To say nothing of the dangers of dihydrogen monoxide (DHMO) which can kill if it is...
Many ethnic costumes use coins that have been plated.
Taking pictures of coins is difficult at best. A silvery (or silver) look to a cent coin could come about by rubbing some mercury into it (been...
Baking soda is a powerful chemical???!!!
By malachite, I assume you mean a green color. Usually refered to as verdigris. If the cents are valuable or you want to add some value, treat...
A buck each is a good round number.
OK
Try it...you'll like it!
If you think the half-dime was small at 15.5 mm, check out the 3 cent silver at 14 mm.
Too late, the Merc is a PCGS MS66.
Thanks
Thanks. How about the 5 or 6 steps nickels? The one I included was just pulled out of my pocket, worth saving?
I didn't know that. Since there are grades from MS60 to MS70, is there differentiation for each stage (11 grades)? Enquiring minds want to know.
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