1999 Nickel DD? - Coin Community Forum

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Author	Replies: 10 / Views: 1,056
thingee Pillar of the Community United States 2177 Posts	Posted 01/28/2007 8:59 pm Is the P mint mark a dd? Image: IMG_99NickelDDp.jpg 46.84 KB Report this Post to the Staff

madhandles761991 Pillar of the Community United States 577 Posts	Posted 01/28/2007 11:12 pm Again, it looks like an RPM, but we need a clearer photo. Report this Post to the Staff
thingee Pillar of the Community United States 2177 Posts	Posted 01/29/2007 09:11 am With any luck I'll try again. By the way I can't recall what a RPM is and it is not in the glossary. What is an RPM? Report this Post to the Staff
amac44 Member United States 3242 Posts	Posted 01/29/2007 09:39 am It sure looks like but I am sure someone with say it Machine Doubling. I maybe wrong but I sure you will here that Report this Post to the Staff
coffeecup57 Valued Member United States 146 Posts	Posted 01/29/2007 12:32 pm Thingee, amac44 is right someone will say Machine Doubling and that is what it is,based on the picture.Decent shot,but looks like you moved a little. Also,I believe that MM are cut directly into master hubs and no longer hand punched which eliminates "RPM's".I think they started doing this in the late 80's or early 90's.Someone else may know the time frame. Below are two of the best shots I have of RPM's(Repunched Mint Mark). If I can find some old links showing better examples of the differences I will post them here for you. Ken Potters Website-Lots of pictures and very educational. http://koinpro.tripod.com/Articles/...Doubling.htm hope this helps RW Edited by coffeecup57 01/29/2007 5:18 pm Report this Post to the Staff
GenericNameHere New Member United States 9 Posts	Posted 01/29/2007 7:32 pm Does it normally add value to the coin? Report this Post to the Staff
Becky Pillar of the Community United States 954 Posts	Posted 01/29/2007 8:30 pm "Does it normally add value to the coin?" Yes, sometimes a little, sometimes a lot. Report this Post to the Staff
thingee Pillar of the Community United States 2177 Posts	Posted 01/30/2007 2:08 pm Thanks for the help everyone! Report this Post to the Staff
GenericNameHere New Member United States 9 Posts	Posted 01/30/2007 2:11 pm Thanks Becky. Report this Post to the Staff
coppercoins Pillar of the Community United States 7629 Posts	Posted 01/30/2007 5:42 pm Not possible to be an RPM. Those stopped around 1990 with a change in the minting process that took away hand punching the mintmarks into the dies. It's also not a doubled die. That would affect much more than just the mintmark, and would have very obvious notches at the corners of the letters with that much spread. It's just Machine Doubling. It's flat, shelf like, and doesn't have notching at the corner. It also takes awy from the normal size and shape of a P mintmark. Report this Post to the Staff
coinking123 New Member United States 6 Posts	Posted 01/31/2007 4:10 pm these are pretty common so I dont think its alot. I have found about 20 of them roll hunting all 1999-P on the "P" and "999" Report this Post to the Staff
	Replies: 10 / Views: 1,056

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