1990 US Cent Is This Doubling It Sure Looks Like It

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Author	Replies: 7 / Views: 1,136
eddio Pillar of the Community Canada 1330 Posts	Posted 01/20/2013 11:12 am this looks similar to to our doubling here in canada,,, * Moved by Staff to a more appropriate forum. * Report this Post to the Staff

mds308 Pillar of the Community United States 1721 Posts	Posted 01/20/2013 11:19 am Probably Machine Doubling. Report this Post to the Staff
amida17 Pillar of the Community United States 4897 Posts	Posted 01/20/2013 11:21 am Here this may help. Report this Post to the Staff
CoinsKelly Pillar of the Community United States 3453 Posts	Posted 01/20/2013 11:52 am Machine Doubling with a hit on the second 9 Report this Post to the Staff
Derek Valued Member United States 125 Posts	Posted 01/20/2013 1:08 pm Your diagram of the different doublings makes sense to me, but is it still true (I'm assuming) that Machine Doubling occurs at the mint, and is not OMD that someone adds after the fact? It may be silly, but when I hear " Machine Doubling", I picture a machinist modifying the date to make a coin appear to be doubled :P Report this Post to the Staff
CoinsKelly Pillar of the Community United States 3453 Posts	Posted 01/20/2013 1:12 pm Yes the Machine Doubling does happen at the mint. Here is a pretty good explanation of happens http://www.errorvariety.com/OFD/MD.html Report this Post to the Staff
CoinsKelly Pillar of the Community United States 3453 Posts	Posted 01/20/2013 1:14 pm Quote: I picture a machinist modifying the date to make a coin appear to be doubled Those sneaky lil' machinists! Report this Post to the Staff
amida17 Pillar of the Community United States 4897 Posts	Posted 01/20/2013 7:29 pm I cannot take credit for the image. It is Chuck D's drawing. Yes it is done at the mint. I just wanted to point out the difference between Die Doubling and random Strike Doubling which is a normal occurrence in the minting process. Report this Post to the Staff
	Replies: 7 / Views: 1,136

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