1983 Lincoln Memorial Penny Die Clash

Posted 02/02/2023 11:50 am

These are from a striking event, where the machine doesn't have a planchet between the dies. Thus the outlines of the dies will clash together, damaging the other dies. What will that look like? It will transfer the outline of the bust design to the reverss dies fields. On the obverse die you will see the outline of the reverse design on that die. This is cause by a strike without a planchet. On your coin, it is an example that this event happened before your coin was struck. what areas will be transferred? How can you tell. With an overlay we can see what areas can be affected:

I have hundreds of these overlays to show what areas could be affected. This damage is polished off of the affected dies, polishing off the fields. These lines will show on the fields of the die. The coin struck after these events will show the damage that happened during the strike. Probably the number one reason dies are polished is to remove these clash lines as they happen a lot. The 1983/4 cents are well know to have most die polishing. These dies get real bad when you start looking more and more on these. (reverses show the most affected clash marks and the die polishing weakens these devices the most. This can be seen on any series. Sometimes the clash will be minor, or can be very strong. (I feel the strongest clash marks are possibly happening twice or more before the issue was fixed)
Sometimes you see where the clash mark is more than once:

Looks like at one time, the one clash happen a second time, and the die rotated a bit in the machine, thus making a rotation of a second clash on the die. They are often seen and overlooked. But common to find on some designs. These are die events,as the dies are the ones that suffer on this event.

CoopHome? What is a die clash? What causes these lines that are transferred? the dies suffer when a strike happens that has no planchet during the strike. The outlines of devices are transferred to the opposite die.

Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings
trail dies:http://www.traildies.com/

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