Repunched Mint Mark / RPM And Doubled Die Obverse / DDO Affectionados, A Study

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Author	Replies: 9 / Views: 829
Crazyb0 Rest in Peace 10197 Posts	Posted 02/08/2018 3:42 pm Was attempting to attribute a group of 1957D RPM's. While using my home-made 25x loupe that I use to ID all potential doublings before putting under the scope, (I save time this way instead of every coin under scope), my Mark 1 eyeball identified of these four pictured RPM's as #1 & 2 were the same as were #3 & 4. Notice the differences? Not a one are the same one...now comes the work. This is just to show the minute differences involved in the IDing of the mint doubling events, similar is NOT identical! It involves the correct placement, shapes and rotaion/direction of each mintmark. You can join me in the IDing of these if you want some practice, be back after a while! Report this Post to the Staff

SF11Dude Pillar of the Community United States 746 Posts	Posted 02/08/2018 3:46 pm Interesting Crazyb0. Could the differences in the relative size of the screen captures (Looks like #2 is bigger than #3 & #4) and #3 & #4 appearing larger due to distance that #1...and/or the die state/stage that could be affecting the line gaps...since these are not UNC coins? Report this Post to the Staff
Crazyb0 Rest in Peace 10197 Posts	Posted 02/08/2018 4:09 pm Hey Dude!... same resolution, focal distance and adjustment, all snapped together. So far have #2 as definite ID (1957D-1MM-030) and #3 as possible 038. Have about 15 pix to liniate from CC then begin a comparison. What you will find is this exact thing, MMs will look real close but placement is a hair off. I like Coppercoins because he seems to pick this up over John Wexler on a few where he calls a similar one the same. Edited by Crazyb0 02/08/2018 4:09 pm Report this Post to the Staff
moxking Rest in Peace United States 17900 Posts	Posted 02/08/2018 4:10 pm I'm glad their is an interesting variety of varieties to attract new collectors with nearly free treasure hunting. If a variety doesn't jump off the coin and slap me in the face it's unlikely ill spend the time necessary to look further. Another example of different genres that we can appreciate and respect even if it isn't our thing. Report this Post to the Staff
shotgung Pillar of the Community United States 1101 Posts	Posted 02/08/2018 4:13 pm Quote: If a variety doesn't jump off the coin and slap me in the face it's unlikely ill spend the time necessary to look further. Ditto Report this Post to the Staff
SF11Dude Pillar of the Community United States 746 Posts	Posted 02/08/2018 4:16 pm Good job on this Crazyb0... I am with moxking and shotgung...BUT if I had measuring software like the higher end Dinolites come with, it would be worth drawing tic-tac-toe boards. Lol! Report this Post to the Staff
Crazyb0 Rest in Peace 10197 Posts	Posted 02/08/2018 5:29 pm If anyone has been following this, these are the results, I leave one for you to tell me which one of the two marked it is. They are essentially IDENTICAL in placement, upon resizing to match it was so. There is only ONE fine point of difference that definitely shows which mintmark attribution it is, the 1957D-1MM-019, or the 1957D-1MM-029. If you can tell me what that one difference is that proves the ID, I'll send you a couple BU LWC's with RPMs, seeing can't sell the &%$# things. Results: Now, the mini quiz: Edited by Crazyb0 02/08/2018 5:32 pm Report this Post to the Staff
SF11Dude Pillar of the Community United States 746 Posts	Posted 02/08/2018 5:36 pm Buzzzz...the 19 should have clogged devices? Report this Post to the Staff
Mrzllewellyn Pillar of the Community United States 1901 Posts	Posted 02/08/2018 6:26 pm It is 029 final answer Report this Post to the Staff
Mrzllewellyn Pillar of the Community United States 1901 Posts	Posted 02/08/2018 6:28 pm The top serif is wrong on 019 Report this Post to the Staff
	Replies: 9 / Views: 829

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RPM And DDO Affectionados, A Study