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2015 And 1981 Quarter Mint Marks?!?!?! Doubled? Off Center?

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 Posted 04/24/2019  8:29 pm Show Profile   Bookmark this topic Add Khryscoins to your friends list Get a Link to this Message
I have these 2 liberty quarters both have P mint marks. Year 1981 and 2015. I see doubling on both coins especially on the 2015 and the 1981 seem to be off center. Any value or history on the coins? Thank you




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 Posted 04/24/2019  8:46 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@KC, the '81 does appear to be a slight MAD, but I wonder if it would command a premium with that much circulation wear. I'm interested to see what others think about this.
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 Posted 04/24/2019  8:58 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
The 1981 is not an off center. If it were then both sides would be off center. It might be a MAD coin. (Mis-Aligned-Die error) What is that? When the dies are put into the machine, there is a hammer and and anvil die. In this case the obverse was on the hammer die (which is adjustable to have it centered exactly over the opposite die) The anvil die is not adjustable. So if the hammer die is not exactly in the right alignment, then the rim is not be centered, but just one side of the coin. But on your coin the dies adjustment is not off center enough to warrant a premium. How can I tell what is collectable? If the devices fall over the edge of the coin, then it is a collectable. Like this example.

Also if your coin was an off centered coin, then the reeds on the edge of the coin would not be present. So coin #1 is basically a normal coin with a MAD obverse. So it is spendable. (The premium is knowing what to look for. Now you know.
The second coin: (Best to put only one coin per thread, as I like to tell you what I see on your coin) On the 2015 what you are seeing on it is called Die Deterioration Doubling. (DDD) The die is showing its age. How do I know that? As the die ages, it develops a die wear pattern that is seen first on the fields. These are called flow lines. As the die ages more then it affects the devices. (letters and numbers)All the devices starts to move towards the rim of the coin. On the motto you can see where the devices are doing that. It is moving towards the right. LIBERTY is also doing this, but moving towards the left. (you can see the movement on the left side of these devices) But this is not hub doubling (AKA a doubled die). Your coin has DDD because of the high numbers of coins struck so far in its life. Soon to be retired. But where should I look to find a doubled die? On the States and ATB Quarters, you would look at the ear for a doubled die on this series of coins.

This is the areas to look for DDO on these States and ATB Quarters. Same on the reverse. On the central areas of the die areas.
Again coin #2 is not a premium coin. Just an aging dies last few coins. Hope this helps.
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
04/24/2019 9:09 pm
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 Posted 04/24/2019  9:03 pm  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
First coin shows a Misaligned Die issue, while the other coin is showing heavy Die Deterioration Doubling, caused by a worn die issue, from striking a ton of planchets at the U.S. Mint.
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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