Bubble Mercury

Here is a 1942 S Mercury dime that has a bubble in the metal. Can anyone explain what happened during the minting process ?

 

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What's the other side look like?

 

Normal Mercury coin. No idications of a punch mark.

 

You should drill a hole into it and let the air out

 

Are you serious ??????????

 

He is just pullin your leg!

 

I know, I just hope HE was not serious.

 

He was probably kidding.( I sure hope he was)

 

Coin has had heat applied and a trapped gas bubble in the metal expanded.

 

Hold your ear real close to the coin.

see if you hear: 'Lemme out, lemme out.'

if so, follow jhinton's suggestion

 

I would have expected better from you Frank.

 

What has been said about the heat being applied may be true. But then, there might be a bit of Artificial Toning around the bubble if they used a torch. If it was cooked it would show like yours. Besides, Mercury dimes were made with solid silver 90% anyway. Clad dimes have lamination errors because of it being made of seperate layers. As I said before, they are solid silver and dont have seperate layers. But then, during minting, the metal could have stuck to the die and a bit of metal protruded upword. But itis veery rare so i think this is PMD. Get ti graded by PCGs anyhow!

 

Lets see the obverse...

 

My 2 cents

To me I see 4 mark on the rim that tell me at one time it was in a piece of Jewelry.and the blob on the rev my have keep it in place.:kewl:that is what I think

 

Good eye, I totally missed the marks on the rim...

 

Not much here to see, but take a look.

 

Looks to me like it was shot with a shotgun, one pellet hit.

 

Based on looking at both sides, I think jello was at least half right. To me it looks like someone punched a hole in it to use it as a pendant on a necklace and then at some time tried to fill the hole back in (and did a crappy job of it). I've run into at least half a dozen silver halves with a hole punched near the rim.

 

That was definitely holed and filled. It's pretty obvious...

 

Cmon, what do you mean not much to see. There's your answer to the left of the R.