Upset Rotated Coins! - Page 2 - Coin Community Forum

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Author	Replies: 22 / Views: 6,982	Page: of 2

the-purple-penny Pillar of the Community Australia 515 Posts	Posted 12/10/2011 9:40 pm My mechanically minded other half told me I should have referred to the key as the keyway as it is female. Report this Post to the Staff
Australian coin Pillar of the Community Australia 1244 Posts	Posted 12/10/2011 10:08 pm Had a blonde moment (I thought the 12 sided bit was they key) its the 50c stamp part der..... I just found this pic while searching for coin dies. I'm guessing your pic shows a die that has no picture on it, has it been angle-grinded off or something. Report this Post to the Staff
Australian coin Pillar of the Community Australia 1244 Posts	Posted 12/10/2011 10:50 pm this site is fantasic for die pics http://www.digitalstudio.co.nz/gall...003.jpg.html Here are some NZ dies and blanks -- fantastic photography by someone. Also found us dies -- and they have numbers at the bottom of them, they can also have engravers signatures. Report this Post to the Staff
ozcoins Pillar of the Community Australia 1005 Posts	Posted 12/17/2011 08:50 am If thee die is keyed, how can upset errors happen? That would mean there needs to be an error in the die wouldnt it? Report this Post to the Staff
Australian coin Pillar of the Community Australia 1244 Posts	Posted 12/19/2011 01:24 am Went through all my 2010 COA and dint find anything. May be harder to find than first thought Report this Post to the Staff
biggfredd Rest in Peace United States 9104 Posts	Posted 12/19/2011 02:33 am Quote: If thee die is keyed, how can upset errors happen? That would mean there needs to be an error in the die wouldnt it? Ever used a set-screw with a hex driver? It will turn freely until locked into position on the flat point of the key. Someone forgot to tighten the key, or it got loose in operation. Report this Post to the Staff
ozcoins Pillar of the Community Australia 1005 Posts	Posted 02/18/2012 9:48 pm Sorry biggfredd, I missed your reply. I was thinking more like the key in a harmonic balancer - where the 2 parts will only go together one way because the key is fixed in the crank. Clearly, that is not how it is done! I was looking for more info on these, and found this post again after finding an upset 2010 50c coin. I have posted (including a picture) here https://goccf.com/t/111357 Report this Post to the Staff
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