Errorists... how was this Die Cap made via Post Mint?

Broadstruck · July 23, 2008 2:15AM

I doubt that the technique used for a coin ring was used...

So what could have been used to achieve the force via blows needed to bottle-cap this coin without damaging the obverse and reverse

1944-S Philippines U.S.A. 50-Centavos Cap Capped ERROR - Ebay Item number: 230272195111

SUMORADA · July 23, 2008 2:56AM

A shotgun ?

chabot510 · July 23, 2008 3:00AM

heat and a press?

seanq · July 23, 2008 3:04AM

It almost looks like an expansion plug, maybe someone wanted a 50 cent fix for their car.

Sean Reynolds

jmj3esq · July 23, 2008 3:05AM

Not sure, but that sure does look like part of the process a guy used to make me a coin ring out of a half dollar. I have no idea how he does it, he would not tell me. Kinda looks something like this:

copperfan · July 23, 2008 3:33AM

Not sure on the op's questiono, but that WLH ring is sweet! I want one! Only made from a $3 gold coin.

Broadstruck · July 23, 2008 3:45AM

<< <i>Not sure on the op's questiono, but that WLH ring is sweet! I want one! Only made from a $3 gold coin.

>>

Your fingers must be a tiny as Gnome Nubits

copperfan · July 23, 2008 3:49AM

Im only 4'8.

relicsncoins · July 23, 2008 3:51AM

Coin rings are usually made with a spoon.

JJ

jmj3esq · July 23, 2008 4:11AM

That coin ring pictured was not made by a spoon. This guy made me one just like it with a silver 1976 Kennedy half. Its looks awesome. The ring is a size 10.5.

They can be made with spoons, but they look entirley different. I have one of each.

Broadstruck · July 23, 2008 5:02AM

I'm wondering if this could have been done with a hollow pipe, a hammer, over a block of wood

SilverEagles92 · July 23, 2008 5:03AM

Are you sure it's post-mint?

seanq · July 23, 2008 5:10AM

<< <i>I'm wondering if this could have been done with a hollow pipe, a hammer, over a block of wood

>>

I definitely think it was pounded into something, rather than over something. The way the reeded edge is flanged up look how I would expect if the coin was hammered down into something of a slightly smaller diameter. How someone managed to do that without damaging the design on either face is still a mystery to me.

Sean Reynolds

copperfan · July 23, 2008 5:19AM

What about someone working in a machine shop with access to a hydro press? Use high strength rubber or a plastic for the face of what your pressing into the coin?

Not sure if that would work, but there had to be a good deal of pressure and it had to be applied steadily to come out so even and uniform.

Broadstruck · July 23, 2008 5:37AM

<< <i>Are you sure it's post-mint? >>

YES... as when a planchet adheres itself to the hammer die and is repeatedly struck against the anvil die, or another planchet that is feed... it's the thickness of the planchet metal material itself that is reduced in thickness as it expands and mushrooms up over the die. The obverse design is fully struck, within the walls of the thimble.

Looking at this basement/garage made error the first give away clue is that some of the peripheral obverse design has be obliterated, and the rest of the obverse design details are creeping up the inner walls of the cap.

Broadstruck · July 23, 2008 10:52AM

18 bids and ending soon!

coinsarefun · July 23, 2008 11:08AM

Buy it and ask questions later. Its still reasonably priced

Stefanie

WoodenJefferson · July 23, 2008 11:16AM

Quite simple, you have a rounded bottom punch affixed to a hydraulic piston and a separate base that has a depression that is exactly a coin width wider than the diameter of the punch. Place the coin centered over the depression and lower the piston and pump the coin into the depression. Once the bottomed out, the coin will be cupped. If you look at the outside cup just below the reeded edge, you will see the area that is basically stretched out of shape and will have about the same appearance as a Jefferson nickels flat edge.

The question to me is not how it was done, but rather, why was it done?

Broadstruck · July 23, 2008 10:51PM

Well it sold to an error collector for $52.55

Errorists... how was this Die Cap made via Post Mint?

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