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 Replies: 16 / Views: 9,355 |
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Valued Member
United States
70 Posts |
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Pillar of the Community
United States
1205 Posts |
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Valued Member
 United States
70 Posts |
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Pillar of the Community
United States
4212 Posts |
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Pillar of the Community
United States
2740 Posts |
This is not a partial collar error (at least not primarily). This is a stiff collar error. The rounded shoulder on the obverse (struck by the anvil die) and the vertical flange on the reverse are characterstic of such errors.
Error coin writer and researcher.
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Bedrock of the Community
United States
62064 Posts |
Thanks Mike. A new term: "Stiff Collar." Any more information on this? Did this occur when the planchet was forced into the collar during the strike?
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Pillar of the Community
United States
2740 Posts |
You are correct. A stiff collar error occurs when a coin is inserted in an off-center position (in this case slightly off-center) and is forced into a collar that is frozen in the "up" position by the impact of the hammer die. Stiff collar errors can have full reeding or can co-occur with a partial collar error. Often reeding is absent at the pole opposite the warped pole of the planchet due to the off-center positioning. The most severe form of stiff collar error is the elliptical strike clip, where a planchet is sheared in two. More information can be found here: http://error-ref.com/stiff-collar-strike.htmlError coin writer and researcher.
Edited by mikediamond
04/26/2014 1:46 pm
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Bedrock of the Community
United States
62064 Posts |
Thanks Mike. More to learn. But Loving it!
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Pillar of the Community
United States
2740 Posts |
For coins struck with an inverted die setup in high-speed Schuler presses, it's probably better to refer to this phenomenon as a "stiff collar effect". Most minor off-center strikes and uncentered broadstrikes show the effect of a stiff collar. The press design apparently incorporates a relatively stiff collar (i.e., one that doesn't depress easily).
Error coin writer and researcher.
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Bedrock of the Community
United States
62064 Posts |
What causes the collar to be considered "Stiff?" Not opening or pre closed when the planchet is struck into the collar?
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Pillar of the Community
United States
2740 Posts |
Failing to sink down easily when a planchet is forced down on top of it. Exactly WHY it's stiff, I can't tell you. But stiff collar errors are relatively rare in other press brands and models.
Error coin writer and researcher.
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Valued Member
United States
70 Posts |
Pretty cool. So what would the value of something like this be?
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Pillar of the Community
United States
2740 Posts |
This quarter was struck in a Schuler press, as were many 1998 quarters. Stiff collar errors are relatively common in this year, so the value would be quite modest.
Error coin writer and researcher.
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Pillar of the Community
United States
3486 Posts |
"Ring around the collar.
Ring around the collar.
You try beaching it out ...
You try scrubbing it out ...
And you STILL have ring around the collar."
Who remember the commercial?
Thank to you all, I'll have this commercial buzzing in my brain all day long.
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Pillar of the Community
United States
4809 Posts |
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Pillar of the Community
United States
1699 Posts |
Nice discussion. Thanks Mike.
Its definitely tough to find modern broadstruck or partial collar dimes (struck with inverted dies) without the collar scar, or as stated here, part of the stiff collar effect. I'm sure other denominations with similar errors have this effect as well, though not many other denominations seem to be released in any substantial quantity as errors.
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Replies: 16 / Views: 9,355 |
Posted 04/26/2014 02:19 am
