Coin 1 is damaged. I don't see anything on the other coins that would indicated that the edge of the die broke
The mint people weren't playing around. As @paddyman98 said, it is not a us coin and was not made at the us mint.
The funniest one was about 6-8 weeks ago, when the OP got a response from Fred W. telling them the coin wasn't real (I think it was a 1943 Copper...
As you're looking, don't forget to keep studying and learning about the minting process. The more you know about how coins and dies are made, the...
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Or not. I think Civitas has some credibility. However, there may be some PVC plasticizer degradation. You may want to consider an acetone...
People collect what they like to collect. While I tend to agree that paying a substantial premium for this stuff is not something I would do, I...
I believe it happened. On what scale? Who knows? However, since it is so easy to gold plate 1883 NC nickels, I really don't think anything you...
Something else to keep in mind. A Letter or number is never going to be thinner on a doubled die. If the Letter is thinner than normal, it's MD.
To follow up on what @Santinidollar said. Anybody can gold plate the 1883 NC nickels and it's probably impossible to tell if it was done 135...
Try looking through Wexler's "Worthless Doubling" section. Attached is the section on mechanical doubling (the others are informative as well)...
I didn't see anything that jumped out as fake when I first saw the pics. I looked in my copy of Federal Half Dimes by Logan and McCloskey (1998...
Not worth much (Maybe $2 +/-), especially since it isn't crisp uncirculated, but I would keep it if I found it in change
I don't think it's a dropped letter. The D has an indent that appears to line up with the "defect" which would make it unlikely that it was a...
Doesn't look unusual. Color is due to the environment after it left the mint 34 years ago (probably heat or chemical exposure). Weight is within...
One way to learn how to spot a proof, is too look at a lot of proof coins. Easiest thing would be at a coin show or shop. However, if you can...
Can't tell anything from your picture, but Wexler only lists 1 very minor DDO visible on IGWT, so it is unlikely you have anything...
Not an error. It looks like it's been plated after it left the mint
Is there a reason why you believe it may be bronze?
EDIT
Separate names with a comma.