The planchet is feed into the coinage press and rest inside the collar on the anvil die (Reverse die). After being struck, the anvil die moves upward, raising the coin. Now the coin is suppose to exit the coinage press and go to a collecting area.
If the coin does not eject properly and spins, falling back inside the collar. The second strike is totally at random. It is possible for the coin to settle back inside the collar and be struck the second time with opposite dies. This is very rare, put it does occur.
Next is a very rare example of a on center flip over double struck coin. It is a 1943 S steel cent. We would like to thank Joe Mish for allowing us to photograph this rare beauty.
You may click on the smaller images to better view the double striking of the coin.
The image on the left shows the first strike around the rim, you can read the top of E PLURIBUS UNUM. On the images to the right, you can read 1943 S on the reverse.
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| A very good example of a Flip Over Double Struck Coin |
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| Flip Over Triple Struck Jefferson This is called "Mickey Mouse Ears" |
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| Broadstruck | Clips |
| Die Clash | Die Cap |
| Double Denomination | Double Struck |
| Flip Over | Multi Struck |
| Mated Pair | Off Center Struck |
| Wrong Planchet |