Except for the ones that are rising
Somehow I started receiving this and it is interesting to see how coins have gone up and down in value. Take a look at the link, perhaps you can...
I would like to thank the academy.................oops, wrong speech. Glad lots of people liked my baby. There were no ugly babies posted here.
Alicia, not too many people have a weighing scale, but you can take coins to jewelers to have them weighed or if there is a college or high school...
Can't say that I've never done that either : - )
There is some contention (Doug...are you there) that acetone will discolor copper. If these are kind of trashy already, probably no problem....
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!
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