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2019 Special Edition Silver Dollar Proof Set D-Day 50 Cent Coil

 
 
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Pillar of the Community

Canada
1648 Posts
 Posted 09/27/2019  10:35 pm Show Profile   Bookmark this topic Add rocky to your friends list Get a Link to this Message
here is and image of and overlay of 2 50 cent coins. they will not line up at all. here is another variety. I thought the members here should know.
Pillar of the Community
United States
4734 Posts
 Posted 09/28/2019  01:19 am  Show Profile   Bookmark this reply Add westernsky to your friends list Get a Link to this Reply
I really don't understand this thread but I could stand an education.

Are you claiming that this is some kind of an error?

Couldn't it be just normal variation between two different dies that were used to strike two different coins?

Thanks!
Pillar of the Community
Canada
1648 Posts
 Posted 09/29/2019  9:07 pm  Show Profile   Bookmark this reply Add rocky to your friends list Get a Link to this Reply
westernsky
Couldn't it be just normal variation between two different dies that were used to strike two different coins?

that is correct westernsky. as you can see the to C.s in canada are a different size. I started to check alot more coins. I even have checked different coins from the NCLT group. I have seen a few variations there as well. since the ottawa mint has changed the pressing rules last september. they did that because of the new presses they installed. I decided to start checking more coins. I have found more variety in the issues. I mean all issues
Pillar of the Community
United States
4734 Posts
 Posted 09/29/2019  11:23 pm  Show Profile   Bookmark this reply Add westernsky to your friends list Get a Link to this Reply
Rocky...

Thank you
Pillar of the Community
Canada
1404 Posts
 Posted 10/27/2019  11:00 pm  Show Profile   Bookmark this reply Add Alan to your friends list Get a Link to this Reply
It looks like a doubled die?
Pillar of the Community
Learn More...
United States
2634 Posts
 Posted 10/28/2019  06:50 am  Show Profile   Bookmark this reply Add okiecoiner to your friends list Get a Link to this Reply
If it takes a microscope, a computer, 40X magnification and hand-placing an overlay from a computer screen, then I don't consider it anything close to a variety. Taking the thin blue line at 12:00 and tweaking the most-visible image slightly clockwise at the top, everything should just about match up. I'm an old dog looking at a new trick and I hold very little credence in these overlays.

The same hub stamps out or makes XX working dies, each identical except for small tolerances due to striking pressure and alignment. I trust it more than a manually placed overlay into a computer.

Now I'm not disputing what your microscope overlay shows, it's just that we differ on what constitutes a "variety". A variety, in my mind, is something that the mintmaster or foreman on the floor INTENTIONALLY changes on the working die(or hub) to modify what it was before.
Edited by okiecoiner
10/28/2019 09:28 am
Pillar of the Community
Canada
2863 Posts
 Posted 10/28/2019  10:34 am  Show Profile   Bookmark this reply Add oriole to your friends list Get a Link to this Reply
Is there any reason the overlay can't be off by just a little bit?
Pillar of the Community
Learn More...
United States
2634 Posts
 Posted 10/28/2019  4:34 pm  Show Profile   Bookmark this reply Add okiecoiner to your friends list Get a Link to this Reply
Rocky: Your efforts to overlay similar coins to show anomalies is admirable and really noteworthy. However, there still may be a few things to consider when posting visual differences via overlay. As I have said before, it is accurate only if taken by the same camera, with the same settings, the same lighting, and identical rotational placement. More important is to ensure that the two photos are taken with the same focus, the same magnification and most important, the same perpendicular angle and depth. Even the differences between the strike of the planchet or the hub will show minute differences. I applaud you for your efforts, but a few bugs still need, I think, to be worked out.
Pillar of the Community
Canada
1648 Posts
 Posted 10/28/2019  6:22 pm  Show Profile   Bookmark this reply Add rocky to your friends list Get a Link to this Reply
okiecoiner thank you. but I think its time, I got rid of this program. you are right it dont work back to the drawing board have a great one.
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