View attachment 724301 View attachment 724301 View attachment 724301 View attachment 724301 View attachment 724301 View attachment 724301 View attachment 724301 what do you think. My phone camrea is junk. Sorry. but theres dubbleing in south east side of date. The edge's is rounded theres really no die flow. And it dont looke to be machine dubbleing. It has the wider look to the coin. And believe it carrys a EF to AU categorization. And does anyone know if there is a exsample or specimen to compare to see if one mite have a 1969 DDO counterfeit. That was placed in circulation?
I think it's best to be clear on definitions and process. When a coin is struck, it is struck with two dies, one obverse and one reverse. It's important to understand what a die is and how it's made. The die has an incused image to the coin, so all the raised portion of a coin are low parts of the die and vice versa. Next, the dies are made from a master hub. The master hub looks the same as the coin, and is used to press the incused image onto the die. So in the minting process we go from raised image on hub, to incused image on die, to raised image on coin. Once you understand that process we can move onto a doubled die. When a die is made, the master hub is pressed into the die multiple times to fully create the incuse image. Each time the master hub presses the die, it must be in exactly the same orientation. When the hub rotates slightly between pressing you get a doubled die, because multiple images are now present on a single die with a small rotational difference. If this occurs and the die is used in production, you get a mintage of coins with exactly the same rotational features as the die. All coins minted using that die are rotated exactly the same amount, and that rotation becomes diagnostic for numismatists to identify the specific die used. If your coin does not match exactly on all parts, then it is not that specific doubled die. Now that you understand how a doubled die is created we can address the most common way to get rotationally doubled devices on a coin. When a coin is struck by the dies, if the die is not firmly locked into the press, the die can shift during the strike, or bounce and strike twice with some rotational shift. This can create doubling on the coin that is similar in appearance to a doubled die, however the doubling is specific to the coin and not the die. There will not be multiple coins created with exactly the same characteristics because the doubling was not present on the die itself but instead was a function of the minting process. What you need to understand is that machine doubling is extremely common. So common in fact that I believe it's just an accepted part of the manufacturing process at the mint. I suppose that as a die is used the minting forces cause the dies to become loose over time, and the mint sets it's maintenance interval such that some portion of dies loosen prior to being re-tightened. On the other hand, a doubled die is a much bigger manufacturing mistake and one that the mint does a fairly good job of catching and rejecting in the die QC process. As such, very few doubled dies with dramatic doubling make it into the production process and actually strike coins, which partially accounts for the value collectors place on them.
View attachment 724301 What do you think. My phone camrea is junk. Sorry. but theres dubbleing in south east side of date. The edge's is rounded theres really no die flow. And it dont looke to be machine dubbleing. It has the wider look to the coin. And believe it carrys a EF to AU categorization. And does anyone know if there is a exsample or specimen to compare to see if one mite have a 1969 P or D DDO counterfeit. That was placed in circulation?
And im asking your opinion. my phone is junk but with 3x magnfiying i have dubbleing in all the same places. Just not as pronounced. Im mean every letter and in same place to the hook on the 6 and in the tail in the 9 on the date.
I understand completly. About what your showing me. But this coin has just that just camera dont have enough focus. Its not pronouncedas much. And if mine is machine dubbling. Then why is the mint mark so clean and prnounced? I Just want to know why im wrong. So i dont get confussed all over again with the other one i found at the same time.
Don't you know that the Mint Mark is added to the die after it is made. So the Die is already Doubled before the Mint Mark is applied.
Sorry, but if your coin doesn't look like the picture in Post #5 (and it doesn't), then you don't have the "elusive" 1969-S doubled die. It looks like machine doubling which has no additional value, but it's hard to tell from your pics.. If you really feel motivated you can see if Wexler list any minor doubled dies at http://doubleddie.com/ If you can match it up against a minor variety, any additional value will be minimal
I think it's best to be clear on definitions and process. When a coin is struck, it is struck with two dies, one obverse and one reverse. It's important to understand what a die is and how it's made. The die has an incused image to the coin, so all the raised portion of a coin are low parts of the die and vice versa. Next, the dies are made from a master hub. The master hub looks the same as the coin, and is used to press the incused image onto the die. So in the minting process we go from raised image on hub, to incused image on die, to raised image on coin. Once you understand that process we can move onto a doubled die. When a die is made, the master hub is pressed into the die multiple times to fully create the incuse image. Each time the master hub presses the die, it must be in exactly the same orientation. When the hub rotates slightly between pressing you get a doubled die, because multiple images are now present on a single die with a small rotational difference. If this occurs and the die is used in production, you get a mintage of coins with exactly the same rotational features as the die. All coins minted using that die are rotated exactly the same amount, and that rotation becomes diagnostic for numismatists to identify the specific die used. If your coin does not match exactly on all parts, then it is not that specific doubled die. Now that you understand how a doubled die is created we can address the most common way to get rotationally doubled devices on a coin. When a coin is struck by the dies, if the die is not firmly locked into the press, the die can shift during the strike, or bounce and strike twice with some rotational shift. This can create doubling on the coin that is similar in appearance to a doubled die, however the doubling is specific to the coin and not the die. There will not be multiple coins created with exactly the same characteristics because the doubling was not present on the die itself but instead was a function of the minting process. What you need to understand is that machine doubling is extremely common. So common in fact that I believe it's just an accepted part of the manufacturing process at the mint. I suppose that as a die is used the minting forces cause the dies to become loose over time, and the mint sets it's maintenance interval such that some portion of dies loosen prior to being re-tightened. On the other hand, a doubled die is a much bigger manufacturing mistake and one that the mint does a fairly good job of catching and rejecting in the die QC process. As such, very few doubled dies with dramatic doubling make it into the production process and actually strike coins, which partially accounts for the value collectors place on them.
Ok. Im soaking up all the knowledge i can. And I'm a stickler for facts so I got a couple more questions. Now you explain how the mint mark is put into die but you still didn't explain why there isn't any machine doubling on the mint mark since everything else has machine doubling. And second in the 1955 there are all kinds of different spaceing in therr doubled die coins. And dosent a die get loose and wiggle weather its a doubled die or not. And make different looking coins. Just saying. Thr mint mark is clear and its all the same doubled. Just not as pernounced. And im not saying im right i just have questions about what has been so said about. thats the only way it can be.
The mint mark is added to the die after it's been hubbed from the master, I believe this is because Philadelphia does all the hubbing and die creation, and each mint adds the mint mark on site. I can not see your coin clearly enough to tell what is doubled and what is not. I can see it clearly enough to know it's not the big 69 S double die. In regards to a coin with machine doubling and why specific devices are doubled, I don't know. For the 1955 doubled die, there are not all kinds of different spacing. A true double die is made when the master hub is pressed into the die at least twice with some angle of rotation between each press. This creates the exact same degree of rotation on every design element, however the further from the center of the die the large the linear distance in a design element. For machine doubling the die has to rotate slightly and strike more than once, this is often due to an ever so slightly loose die. The process that makes a machine double has NOTHING to do with a doubled die. While the look of machine doubling and a doubled die may appear very similar, the process that creates then are totally different. Re-read my post above, then re-read it again. Google the terms you are unfamiliar with. I'll finish with a sincere request. Please take the time to write in complete sentences, use half way decent grammar/punctuation, and separate your thoughts into paragraphs. It's very difficult to understand and respond to your questions as they are written. I believe that when I ask other people to take considerable time and energy to respond to my questions, the least I can do is the take the time to write as clearly as I can, it is a sign of respect for other members of the forum.
Ok i understand what your saying but its makes no sence. Because when a doubled die gets lose. And starts to walk and cause die flow witch can csuse doubleing on a doubled die then noone can has room to say what is and isnt inthe first place. Here is a picture of the second coin i found. If you look at liberty all the doybled die is in the dame spot justnot as pernounced. I got the light right on this one. And you can clearly see these coins are the same and thats both of them are The ELUSIVE 69 $ DDO. AND THINK YOU FOR YOUR UNDERSTANDING.
And if you look down the thread . thats the other DDO i found at the same time. And i have two coins. so im pretty sure im allowed two threads sir and think you for your understanding. Sav vy
Beef, this and your previous post are the most articulate descriptions of the minting process and the DD/MD processes that I believe I have ever read. Well done and thank you!
See my photo of my 69s which could be similar. A variety but don't have the background on these error coins M
Very nice pics. That makes it easy to determine that you are looking at machine doubling which has no added value. Your coin clearly shows flat, shelf-like doubling. This is a key characteristic of machine doubling. As @beef1020 and other have explained, this is caused by the die moving or bouncing as it strikes the coin. Any mechanical fixture is going to loosen slightly with use and this minor movement is what causes mechanical doubling. Also, as @beef1020 explained, this can be a common occurrence that will continue until a technician retightens the die fixtures. Remember, each press can make thousands of coins an hour and there are multiple presses, so that’s a lot of coins that can be struck before a tech visits the machine to do PM. In addition, the mint is a high volume production facility; downtime = $$$, so they aren’t going to shut down a press to fix a minor issue that produces a defect so small that it can only be seen with a magnifying glass and doesn’t compromise form, fit or function The other key point is the doubling on the “S” mintmark. Your coin exhibits the a flat, shelf-like doubling of the mint mark as well as the date. A true doubled die occurs during the die manufacturing process (Once again, please read some of the previous explanation on how dies are made). The mint marks were put on manually AFTER the hubbing process, so it is impossible for it to have the same doubled appearance as the date and, therefore, also indicates machine doubling. Hope this info adds to previous explanations and is helpful.
Flat and shelf-like = machine doubling If you're reading books like "Strike It Rich With Pocket Change", you need to stop. If you don't believe anyone here, go to BoobTube. It didn't work @paddyman98 Chris