Cool find, but unfortunately it isn't worth anything. Even though I know it has no additional value, I would keep it if I found it in change....
No hard and fast rules for this stuff. I think it's easiest to start with the regular government issues and then move into the city/state issues...
It's environmental damage after it left the mint. so it's not an error. Copper is a very reactive metal. There could be countless things that...
IMO, it appeared as the OP was not a native English speaker. I try to have a lot more patience when answering them. It would be impossible for...
It is very difficult to clean copper without it being noticeable. Acetone will work on a lot of organic crud, but if the copper has reacted, then...
Worth it. I've picked up mine here and there over the years. Still missing V and VII but somehow ended up with an extra IX. Best deal was back...
Interesting. Could it be some artifact from a screw press? I have some experience in material science/chemistry, but no real background in US...
I have about 150 diff colonial BRETON tokens, most of which were put together in the 90's. I've never seen the catalog numbers you've referenced....
Could it be laminations? Due to inhomogeneities in the planchet?? (I haven't read the book @l.cutler refers to)
I have the 18th edition (2000) of Coins of Canada by Haxby and Willey that has a usable section on Breton Tokens, so my guess is that other yearly...
See if you can find anything on these sites. If nothing else, you'll learn quite a bit http://doubleddie.com/ http://www.varietyvista.com/
I made a phase diagram rookie mistake and was commenting on a composition that was 75% Zinc. The Bath Metal is 75% Copper and 25% zinc, which is...
I have very little knowledge of this field and have never seen items like yours but do know that many numismatic/exonumia items related to slavery...
Finding a 1983 cent on a copper planchet is a very rare and valuable find. Once you've been on a here awhile, you'll notice the incredible...
The 1995 DDO (doubled die obverse) that has some value looks like this [ATTACH] (pic from PCGS Coinfacts) You don't have this coin
Agree. Looks like the die crack extended into the O and caused a chip. Doesn't add much value, but it's still a cool find
Agree. The drapery fold is different on a 1916
I have the same concerns. It looks like there are a lot of small pores/pits on the surface. This is a strong indication of a cast fake.
I bet she smells bad, too :woot::yack:;)
I'm not a metallurgist, nor have any experience with this metal system, but it looks like there's some funky stuff happening for 75Cu/25Zn above...
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