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2018-P Roosevelt Dime With Severe Reverse Die Gouge, Polishing Or Grinding?

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thisistheshow's Avatar
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 Posted 01/02/2019  3:54 pm  Show Profile   Bookmark this reply Add thisistheshow to your friends list Get a Link to this Reply
Thank you.
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Petespockets55's Avatar
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 Posted 01/02/2019  10:18 pm  Show Profile   Bookmark this reply Add Petespockets55 to your friends list Get a Link to this Reply
Thank you very much Coop.

I'm familiar with them on the Lincoln series and now I know a little about dimes.
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coop's Avatar
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 Posted 01/02/2019  11:03 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
I spent the day looking for examples of Quarters with the Feeder Finger Damage, but didn't come up with any great examples, yet. But I did discover a one year event on the Proof quarters. It had a Type 'A' proof for just one year. But checked other sources, and they had already figured that out already. You learn something new everyday.
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spru's Avatar
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 Posted 01/03/2019  01:55 am  Show Profile   Check spru's eBay Listings Bookmark this reply Add spru to your friends list Get a Link to this Reply
Thanks for the clarification, coop! I knew it was created at the Mint, but I completely forgot about feeder finger gouges and this definitely resembles that more than abrasion/polishing.
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Petespockets55's Avatar
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 Posted 01/04/2019  06:42 am  Show Profile   Bookmark this reply Add Petespockets55 to your friends list Get a Link to this Reply

Not trying to beat a dead horse here but I have a followup question regarding the feeder finger die damage.

Can anyone provide information on the mechanics and operation of the feeder fingers?

I'm just trying to understand how a flat piece of metal (feeder finger) traveling in a straight line would create a gouge that is deeper in the middle of the die face than towards the perimeter since the die face is flat?

Thanks again in advance for any and all help and info. Cliff
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Edited by Petespockets55
01/04/2019 06:43 am
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jay4202472000's Avatar
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 Posted 01/04/2019  09:39 am  Show Profile   Bookmark this reply Add jay4202472000 to your friends list Get a Link to this Reply
@coop

Do you mind elaborating on the one year, type A proof reverse. I have never seen any info on this and would love to search for one of these. I am familiar with the 1952 proofs with Class 3 DDR (Type B/Type A or RDV-002/RDV-001 whichever you prefer), but not any with just a Type A yet. Thanks in advance!

Link to the examples I am talking about: http://varietyvista.com/09b%20WQ%20...s%201952.htm
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Conder101's Avatar
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 Posted 01/05/2019  10:02 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply

Quote:
So does that mean the feeder finger is moving in a slight arc as it swings past the coining chamber since the abrasion is deeper in the middle and tapers off as it passes the East and West areas of the gouge?

No, the die face is not completely flat, The die faces are very slightly convex. So the feed fingers as they move back and forth are making contact with the die toward the center but do not touch it out by the edges. The slight convexity of the dies means they contact the planchet first near the center this helps to force the metal outward to help fill the lettering around the edges. It is also one of the reasons the planchets are upset, because the edges of the dies are further apart than in the centers.
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coop's Avatar
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 Posted 01/05/2019  10:44 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
When I got back online, I'm adding a thread on this subject.
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