Split Planchet?

I found this in the till this morning.

It appears to be a split planchet. Half of the reverse of the coin is smooth but the other half is rippled. I'm guessing it's a split planchet.

Any comments or observations would be helpful.

 

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I'm thinking intentional pmd. I don't like those marks on the back. Looks like a tool marred it at several spots.

 

Looks like it was sawed thru, this is what a split planchet looks like:

 

My first thought as well.

But, in hand the smoother side is almost like a blank planchet, the rippled side is similar to split planchet coins I've seen at shows. It would be easier to determine if there was some evidence of striking on the rippled side.

 

Thanks!

Totally different than what I have.

I'm leaning towards PMD on my coin.

 

Pmd.

 

How would you make something like this?

 

Looks like someone used a belt sander on it. I can't tell if its just the picture but the missing part of the coin looks partially angled to me?
Is the date found on the grinded side of this coin?

 

Sander or a lathe or a fine bladed scroll saw.

 

Yes, it's on the reverse (missing side).

The smoothest half is lower than the scratchy half.

 

Dang, I wanted to know the year of this coin...
Oh well! I don't even understand how some of these coins can continue around in circulation.

 

Not a split planchet. Here is a Canadian 1-cent split planchet, split after the strike.

 

What causes a split planchet that severe?

 

Thanks for posting! Excellent example!

 

looks like someone took the belt-sander to it

 

I don't know why, but this thread has made me hungry for hamburgers.
I'll have to go to the market to buy some grinded beef.

 

AHAHAHAHAHAHA! So random...

 

This coin gives a whole new meaning to "ground round".

 

lol

 

Very nice. Here are some better scans of mine...

I guess it's impurities that exist in a sheet of metal, between its layers, prior to the blanks/planchets getting punched out off it. Sometimes these impurities cause separation after the blanks/planchets are punched out, other times it takes a coin press to cause the seperation. Hence, the Split Planchet before and after strike errors. At least that is my understanding of it.

http://www.coin-collecting-guide-for-beginners.com/how-coins-are-made.html

http://lincolncentresource.com/Errors/Split_Planchet.html