1940 D Mercury - Double Date - Is This More Strike Doubling?

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Author	Replies: 6 / Views: 1,723
Earle42 Bedrock of the Community United States 10038 Posts	Posted 04/26/2011 9:05 pm This is a pic of a 1940-D Mercury's date. Is this Strike Doubling? http://www.imagebam.com/image/25237d129708534 Again, any and all info concerning this coin is appreciated. How much squash could a Sasquatch squash if a Sasquatch would squash squash? Download and read: Grading the graders Costly TPG ineptitude and No FG Kennedy halves https://ln5.sync.com/dl/7ca91bdd0/w...i3b-rbj9fir2 Report this Post to the Staff

carmykle Pillar of the Community United States 2448 Posts	Posted 04/27/2011 12:46 pm I think it's just Machine Doubling, but its just my humble opinion. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 04/27/2011 1:30 pm Yes just strike or Machine Doubling damage. Report this Post to the Staff
Earle42 Bedrock of the Community United States 10038 Posts	Posted 04/27/2011 10:31 pm Thanks for helping. I got the term " Strike Doubling" from Cherrypickers''. I see other people call this "machine doubling." Are there other terms people use for this also? Is it the same as hub doubling?" How much squash could a Sasquatch squash if a Sasquatch would squash squash? Download and read: Grading the graders Costly TPG ineptitude and No FG Kennedy halves https://ln5.sync.com/dl/7ca91bdd0/w...i3b-rbj9fir2 Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 04/28/2011 09:40 am Strike Doubling and Machine Doubling are the same thing, hub doubling is something totally different. Machine Doubling is caused by a "loosness" of some parts in the coining press that allows a slight lateral movement of the die during the striking of the coin. The movement is somewhat random and can vary from strike to strike. Tighten up some bolts on the press and it goes away. Hub doubling is actually in the die that strikes the coin and comes in at least 9 different forms (8 actually, rotated hub doubling is just a special case of pivoted hub doubling). Up until 1997 it took two or more impressions of the hub into the die blank to create the die. If the die and the hub were not exactly lined up the same way between impressions the hub would create a doubled image in the die. Then EVERY coin struck by that die will show that same doubling. That is hub doubling. Report this Post to the Staff
Earle42 Bedrock of the Community United States 10038 Posts	Posted 04/28/2011 1:52 pm I appreciate all the help this forum give - what a great place! Thanks. How much squash could a Sasquatch squash if a Sasquatch would squash squash? Download and read: Grading the graders Costly TPG ineptitude and No FG Kennedy halves https://ln5.sync.com/dl/7ca91bdd0/w...i3b-rbj9fir2 Report this Post to the Staff
arsave Valued Member United States 225 Posts	Posted 05/01/2011 8:56 pm Take a look at this image. The serifs are always split (see the 1 and the first 9). Also take a close look at the serif on the 1 on your coin. It seems to have a split (it could be a small scratch, but there is a chance you have a very minor DDO). Report this Post to the Staff
	Replies: 6 / Views: 1,723

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