Gallery, Projects and General > The Design Shop

Expanded coin making

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raynerd:
Joe, I don't want to file or turn down the covered coin as this is what is know as a shell coin, which would only fit over a turned down matching coin or smaller coin. The expanded shell gaff coin, specifically fits over an none tampered with matching coin - does that make sense?

I did mention tapping it down on a mandrel but everyone said it'll split, which it probably will expanding if by the amount needed.

I'm still desperate to do this but I must admit I've not commited to any suggestions mentioned yet as I'm not totally clear that it would work or the method/equipment involved.

Chris

R.G.Y.:
I have not tried this, but I think it would be better to expand the coin before boring it out. Placing it on lead (or annealed copper)will preserve the face wile striking the side to be bored. 
The coin will need to be struck near to the edge but not on it. R.G.Y.

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