Two Different Types Of S On 1970 S ? Upside Down?

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Author	Replies: 9 / Views: 862
909records Valued Member United States 373 Posts	Posted 10/26/2008 2:14 pm any ideal why the top one is different ? thanks colleen Report this Post to the Staff

KurtS Pillar of the Community United States 5318 Posts	Posted 10/26/2008 2:32 pm Interesting contrast between mm for the top vs. bottom coins. I'll look forward to hear what the LMC experts say about this. Btw, they're large dates. Report this Post to the Staff
909records Valued Member United States 373 Posts	Posted 10/26/2008 2:37 pm thanks for that info Report this Post to the Staff
coppercoins Pillar of the Community United States 7629 Posts	Posted 10/26/2008 3:16 pm The punch was at slightly different angles when the dies were punched with the mintmark letter - that's all. Report this Post to the Staff
Metalman Pillar of the Community United States 7123 Posts	Posted 10/27/2008 12:52 am I think the difference is due to the Machine Doubling on the second coin as well as the punch angle . Report this Post to the Staff
Indian1 Pillar of the Community United States 3640 Posts	Posted 10/27/2008 01:26 am Interesting. I hear the term Machine Doubling used quite a bit. I understand what it means. As opposed to die doubling, but wondered about how long (years) the term has been used. If that zero (on the second coin pictured)was on a Morgan dollar I feel that no one would call it say, Vam-331A machine doubled date. I guess I would have to look into what types of machinery etc. were used throughout the years in the minting process to get a better idea. I guess what I am saying is that if there are so many die varieties on just one certain coin then why would it not be possible that some so called machine doubled coins were actually a die variety. Unless it is just a modern term used. Report this Post to the Staff
Metalman Pillar of the Community United States 7123 Posts	Posted 10/27/2008 02:29 am Indian,, Machine Doubling is an ACTION of the die on the coin either a slight shift when the coin is struck or when the die leaves the surface of the coin and not a characteristic of THE die. this site may help you to see the difference and maybe explain some of the major characteristic differences . http://koinpro.tripod.com/Articles/...Doubling.htm as for how long the term has been used I have no clue who or when the term was coined . I have always wondered why morgans have a fame to claim for clashes,and die breaks,etc. and all other coinage does not and the same occurances are considered worthless. Report this Post to the Staff
TreasHunt Pillar of the Community United States 2540 Posts	Posted 10/27/2008 06:37 am I don't think that it is an inverted MM, but a different punch for the MM. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 10/27/2008 12:12 pm Quote: I have always wondered why morgans have a fame to claim for clashes,and die breaks,etc. and all other coinage does not and the same occurances are considered worthless Bad cataloging on the part of the authors of the VAM book. They included those die stages as varieties (Overton did the same for half dollars and Andrews and Newcomb assigned sub variety numbers to coins with MDD for the middle date large cents.) From what I understand Van Allen is no longer doing that for new VAM varieties although the old ones remain. The early half dollars still have the subvarieties for some late die stage coins but the MDD "varieties" have been purged from the middle date cents. Edited by Conder101 10/27/2008 12:19 pm Report this Post to the Staff
rockdude Pillar of the Community United States 1807 Posts	Posted 10/28/2008 11:31 am Wow, so much to learn. Report this Post to the Staff
	Replies: 9 / Views: 862

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