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<p>[QUOTE="desertgem, post: 1719751, member: 15199"]The '72 above is a good indication. Since the working die ( making the coins) is hubbed ( squeezed against the more master hubbing die) at least twice making the image used for striking coins, a true Doubled die is when the second squeeze against the hub is slightly off, and a second image/partial image is produced. Since it is being squeezed as hard as the first hubbing, the depth of the image will be quite similar, not one flat ( little squeeze) and the other deep ( regular image) . If you look carefully, you can see a separating line in the middle area of each number in the date and notice the notching isn't flat. Flat notches can occur with MD sometimes also.</p><p><br /></p><p>However, if that was all needed to distinguish, it would be easy, but often, the working die pressing against the hub may be tilted, of different design, etc. and this results in many classes of DD. Unfortunately some master doubling can also occur if the hub making the working dies is doubled itself, Then you can get DD, but they are of generally little value since all of the cents from that situation ( Master doubling) will show the doubling,will be worth little of nothing.[/QUOTE]</p><p><br /></p>
[QUOTE="desertgem, post: 1719751, member: 15199"]The '72 above is a good indication. Since the working die ( making the coins) is hubbed ( squeezed against the more master hubbing die) at least twice making the image used for striking coins, a true Doubled die is when the second squeeze against the hub is slightly off, and a second image/partial image is produced. Since it is being squeezed as hard as the first hubbing, the depth of the image will be quite similar, not one flat ( little squeeze) and the other deep ( regular image) . If you look carefully, you can see a separating line in the middle area of each number in the date and notice the notching isn't flat. Flat notches can occur with MD sometimes also. However, if that was all needed to distinguish, it would be easy, but often, the working die pressing against the hub may be tilted, of different design, etc. and this results in many classes of DD. Unfortunately some master doubling can also occur if the hub making the working dies is doubled itself, Then you can get DD, but they are of generally little value since all of the cents from that situation ( Master doubling) will show the doubling,will be worth little of nothing.[/QUOTE]
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