I know what the melting point of copper is. There are other chemicals involved but it doesn't take 1085 degrees Celsius to remove 20 microns of...
Lots of birds on these parks quarters. Kisatchie, Bombay Hook, Everglades, Block Island, Cumberland Islands, Shawnee, Voyageurs, Great Smokey...
I didn't think it was possible to add luster that wasn't there. What about for use on copper coins?
Well then it would be illegal to knowingly sell counterfeits as the real thing. You can always report them to the Secret Service. (I think they...
A magnet shouldn't pull a quarter. Iron, Nickel, Cobalt these are magnetic. The quarter is 90% silver and 10% copper. Not magnetic at all. Your...
I'm taking a guess and saying .25 cents. I hope I am proven wrong with an error photo.
The plating is so incredibly thin, it can probably be heated and melted without melting the zinc core.
Where is the site based?
This is what the Amazon ad says: MS-70 8 oz. Coin Cleaner (Qty = 1 Bottle) safe to use on gold, silver, nickel, copper, brass and bronze. will...
.08 cents (and 2 cents earlier) and a religious medallion. .12 on Tuesday ALL in the slot, breaking my honey hole grill streak. [ATTACH]
Agree on the VG 08. However for $10 you can get a little better grade. The "book" might say $10 but $5 is more likely. As for the 1909 without the...
2.5 grams means it is a zinc coin. 3.11g for copper cent. So it is a small date, Philly zinc, which in mint state has value, because when they...
That can be determined by a photo. If the plating was removed after it was struck, or if it was struck without the plating. Of course the odds are...
Coins are minted in a very high speed process. The odds of a circular object falling into a perfectly symmetrical spot on the reverse while...
It's impossible his coin has RTM. You are contradicting yourself. If I recall from the other threads on this, the marks were smaller, in a...
No. It's damage. Read some of the threads here on this very subject and you will understand why it is impossible for your coin to be a RTM. Try...
7222.60
Update dollar coins and halves. I'm not bragging. No one is more surprised, shocked and delighted than I am. As I never expected this. [ATTACH]
There are regular 74-S business strikes, but yours looks nothing like that. Proof coin as already posted.
E-Z-EST contains sulfuric acid and thiourea, and MS-70 doesn't have acid. They are not the same. Not all coin dealers are experts. On the MS 70 it...
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