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  1. justafarmer
    Post

    Rotated Hub Doubling Illustrated

    I'm not sure how to illustrate Class VIII (Tilted Hub) using these type of drawings. Class VII (Modified Hub Doubling) is basically a the same...
    Post by: justafarmer, Dec 26, 2017 in forum: US Coins Forum
  2. justafarmer
    Post

    Rotated Hub Doubling Illustrated

    Actually Class V (Pivot) doubling is a specific form of compound doubling of Class I (Rotated) and Class IV (Offset) Hub Doubling. I have added a...
    Post by: justafarmer, Dec 23, 2017 in forum: US Coins Forum
  3. justafarmer
    Post

    Rotated Hub Doubling Illustrated

    A little bonus for those who collect[ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] errors - rotated dies.
    Post by: justafarmer, Dec 23, 2017 in forum: US Coins Forum
  4. justafarmer
    Post

    Rotated Hub Doubling Illustrated

    Two other forms of hub doubling attributed to heat warping of the die due to annealing of the die between squeezing. There is some debate on Class...
    Post by: justafarmer, Dec 23, 2017 in forum: US Coins Forum
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