QUOTE(dacoinman @ Dec 20 2005, 01:28 PM)
Oh, but this is NOT a doubled strike or a MDD. This is a true to form DOUBLED DIE. This is where the working die was given one initial impression, and then found to be not good enough to strike coijs with yet, and they rehubbed it. So the Doubling will be on EVERY coin that is struck by that die. Which means that whenever someone noticed, at the Chinese mint that this die was doubled and then usually removed this fubar, and pulled the die, any coins that die struck will show the doubling. And the total number of this variety will be dependant upon upon when someone finally decided to pull the die from use. I'm REAL groggy, so if none of this makes sense, I APPOLOGIZE WHOLE-HEARTEDLY!!!
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No need to apologize. What you describe agrees with my general understanding of hub doubling. Where the 'hub die' refers to the die that is used to make the 'coin dies'. The 'coin dies' are used to strike the blank planchets to make the actual coins. So, if the hub die strikes twice (with some kind of offset), the resulting 'coin die' will have doubled features and produce coins with doubling.
That's why I asked if there were others out there - I would expect some other identical coins to be out there (it's possible that none survived etc...)
So, the denticles are actually on the 'hub die' and not part of the collar assembly? I guess they would have to be - huh?
In any event, a very spectacular piece.