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coppercoins.com Forum Index arrow Other U.S. Coins (even Morgan dollars) arrow 1961D Franklin 50 cent RPM-01?

1961D Franklin 50 cent RPM-01?
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mojaveblue
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Posts: 143
Joined: 02 May 2010
Location: Southern Cal
PostPosted: Fri Mar 18, 2011 11:43 am Reply with quote

Here again in my "junk" silver I found what appears to be RPM-01 from the Coneca listing. I'm hoping.
As usual I probably should do more verification of available markers, and will later. Much of the time, my low grade silver has lost many of the markers due to wear.

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I posted this shot, maybe to shoot myself in the foot, to illustrate what appears to be a lot of MD in the other devices, thinking this all could be MD.
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jon
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Joined: 04 Feb 2011
PostPosted: Fri Mar 18, 2011 12:31 pm Reply with quote

Mojave, You sure have some good pics. What do use to get your close-ups?
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mojaveblue
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Location: Southern Cal
PostPosted: Fri Mar 18, 2011 9:24 pm Reply with quote

Thanks Jon, I have been experimenting of late. I definately get the best results with less reflective surfaces.
But currently, I am using a Celestron multi zoom-focus USB device, and a single point source LED light which is mounted on a flexible neck. I can move the light source back and forth and up and down, and closer or farther away.
I realized the installed LED's on the Celestron were more of a hindrance then help so I've got an opaque ring fit onto the end to block them.
Oh, I use a dial indicator magnetic base to hold the Celestron in position, and I was lucky to have one which has a fine thread movement allowing very slight focal length changes.
That way I get the focus adjuster on the Celestron at about the right spot and then adjust using the base.
It is a bit archaic (spelling), and I don't like having to fire up the computer each time I want to do in depth searching.
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coop
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Location: Arizona
PostPosted: Sat Mar 19, 2011 12:28 am Reply with quote

This is either machine doubling or coin contact. It is were a RPM, the mint mark would be enlarged. Everything looks normal from what I can see. Nothing enlarged/doubled.
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Richard S. Cooper
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mojaveblue
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Posts: 143
Joined: 02 May 2010
Location: Southern Cal
PostPosted: Sat Mar 19, 2011 12:03 pm Reply with quote

Yeah I figured with the amount of MD in the other devices it was gonna be that, thanks.
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