1978 S Over Width Reeding?

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Jesjon048
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1978 S Over Width Reeding?

Post by Jesjon048 » Sat Jul 23, 2016 2:04 pm

I just added this 1978S to my Ike collection and I noticed that it was thicker on one part which makes the coin seen warped when lying flat. Upon closer inspection I noticed the reeding is a bit thicker on one part, giving it an appearance of being warped. Is this normal and is there a name for it? Since it will never become circulated the ridge will not get worn flat like business coins. Thank you for any advice.
Jesse
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SteveP
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Re: 1978 S Over Width Reeding?

Post by SteveP » Sat Jul 23, 2016 4:39 pm

Very cool and atypical, of course. Misaligned does? Tilted dies?
IOW, strike error. Not likely a planchet error.
Steve Palladino

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Irish2ice
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Re: 1978 S Over Width Reeding?

Post by Irish2ice » Sun Jul 24, 2016 10:05 am

I have no idea, but It's pretty cool.
Bob G.

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Jesjon048
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Re: 1978 S Over Width Reeding?

Post by Jesjon048 » Sun Jul 24, 2016 12:33 pm

Thank you Bob & Steve, it's a first for me and I was pleasantly surprised when I found it. I will keep up my quest to find as many Ike's as possible and keep them out of the hands of the quick buck artists and convenience store registers, then post them accordingly. Thanks again for the insight.

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AndyO
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Re: 1978 S Over Width Reeding?

Post by AndyO » Sun Jul 24, 2016 9:34 pm

I've seen this type of thing before with extra sharp metal fins sticking up from the reeding, but not quite so severe. I always assumed the planchet diameter might have been a little larger than normal, meaning the larger metal mass when clamped between anvil and hammer and reeding dies has to go somewhere, so it squeezes up in between any die parting lines it can find - which would only be at the edge of the coin.

Perhaps the planchet stamping dies were worn out, meaning the planchets as-stamped would get ever so slightly bigger as the stamping die's life cycle progresses.

Just wild guess.
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Jesjon048
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Re: 1978 S Over Width Reeding?

Post by Jesjon048 » Tue Jul 26, 2016 10:22 pm

That sounds like a pretty educated observation rather than a wild guess AndyO, I realized today when comparing this proof with my 1976D's that the proof planchet is a much smaller diameter is this normal? I've got a few penny, Nickel, dime and quarter proofs that are the same size as their counterpart. Is it possibly this Ike proof was stamped on the wrong planchet? :o

BrianVaile
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Re: 1978 S Over Width Reeding?

Post by BrianVaile » Fri Jul 29, 2016 3:49 pm

Is it possibly this Ike proof was stamped on the wrong planchet?
Weigh the planchet. Diameter appears normal as the whole coin shows as well as the rim. Does it fit into
the hole in your album "normally" or "loosely"?

Very interesting on being so thick on one side and skinny on the other. Another possibility (other than Andy's) is
that the metal sheet roll that the planchets are punched from, was imperfect in thickness in some spots. If so,
this should show up on your weight as well.

Happy Hunting!
Brian

Jesjon048
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Re: 1978 S Over Width Reeding?

Post by Jesjon048 » Fri Jul 29, 2016 9:03 pm

Thank you Brian I will weigh it when I get home, the diameter of this proof of visibly smaller than the 1976D Type 2 coins I have which are not proofs, I will compare weight though like you advised because the proof is much thicker as well as smaller but may have the same mass. I'll check back after weighing...

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Re: 1978 S Over Width Reeding?

Post by Jesjon048 » Mon Aug 01, 2016 12:21 pm

Ok, I weighed all four of my Ike's, I acquired a circulated 1972-D to add to my collection yesterday. The '72 and both '76's weighed in at 22.6 gm. while the '78-S proof weighed in at 22.3 gm. It's looking like your hypothesis is in the lead Brian, the diameter is the same on all coins as well. I'll attach a pic of my recently acquired 1972D, it's a little beat up but still has all of its details and looks to be a type 1
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