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<p>[QUOTE=&quot;cdb1950, post: 40310, member: 1735&quot;]These are pretty cool!&nbsp; Nice group of die cracks on proof coins.&nbsp; Each of these dies were perfect or nearly so when they were created.&nbsp; All of them just wore out and cracked.&nbsp; Quality control at the die making stage was impeccable.&nbsp; Quality control at the coin making stage is a little less impeccable.&nbsp; When dies are stamping coins and fail, it sometimes isn&#039;t noticed until a significant number of coins have already been struck.&nbsp; But master dies are constantly inspected and the working dies are also closely inspected before leaving the die making stage.&nbsp; An anomaly like the &#039;hump&#039; would have been made by a damaged master die and that is highly unlikely, particularly something so visible.&nbsp; </p><p><br /></p><p>On the other hand, it seems lots of doubled dies are created and make it out of the mint.&nbsp; They can be a result of a doubled working die, master die, hub, or just about any stage of die production.&nbsp; Those don&#039;t seem to get pulled out of production.[/QUOTE]</p><p><br /></p>

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