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1976 D Quarter Doubled Die Obverse And Reverse? Need Help.

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 Posted 03/28/2020  10:26 pm Show Profile   Bookmark this topic Add Kmrakid to your friends list Get a Link to this Message
Good evening,
I found 2-1976 Quarters in the lot. Upon closer review it looks like they may both have a DDO on the Obverse and one may have a DDR. I have added pictures of one coin, the one with a possible DDR and DDO, for everyone's review. I can see the doubled in most of the word "LIBERTY" and on the reverse it's on some of the stars. Sometimes they look like MD's. Any info from you guys and gals out there would be a great help, I am still trying to figure out how to tell all these errors and varieties.

Edited by Kmrakid
03/29/2020 10:05 am
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 Posted 03/29/2020  01:30 am  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
I am seeing Die Deterioration Doubling and Machine Doubling. Not a Doubled Die.
More information about Die Deterioration?
Retired U.S. Mint Coin Die Set information.
Machine Doubling Tutorial.
Die states progression on coins. Scroll down, so you can see the different die state progressions.
Die Deterioration Doubling Tutorial.
Split Plate Doubling Tutorial.
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 Posted 03/29/2020  09:32 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply

Please show your images right-side up. You'll get more replies.

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 Posted 03/29/2020  11:12 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Machine Doubling on both sides. This is more common than having a doubled die on both sides. (its not that it doesn't happen, it just the MD is so common that is usually affects both sides of the coin.

Side point: It appears to you using a dual set of lights. While this works nicely on full image coins, in micro photos it removes the light and shadows we need to see the Machine Doubling or doubled dies if present. Machine Doubling shows an appearance of doubling, but it really just flat and creates glare. When I invert the colors on an image, the areas that many think are a doubled die, is hidden from too much light and hides in glare:

Note the lower image. You can barely see glare. But then you invert the colors, (removing glare) then you can see the Machine Doubling. Also note the areas affected are being reduced in size with Machine Doubling. On a doubled die, the devices are enlarged: (also not the closed devices are reduced on a doubled die. 'BR' on Liberty)

Note the differences in sizes of the devices with this side by side with normal and doubled dies:

Note the enlarging of the devices on the doubled die:

Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:
Edited by coop
03/29/2020 11:13 pm
  Previous TopicReplies: 3 / Views: 282Next Topic  
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