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  1. The definition for "Trails" has been updated in the glossary. It now reads as follows:

    Trail Die: Generally speaking, trails are parallel raised ridges which extend away from the corners of a coin’s design elements. They are strongest at the point where the device meets the field, and then taper off as they extend into the field. They vary in strength from naked-eye obvious to barely perceptible under magnification. A single coin can exhibit multiple sets of trails going in multiple directions. These ridges are created during polishing of the die by a rotary tool. A soft buff or bristles penetrate into the die’s recesses, gather in the corners of those devices, and then erode a gouge into the die as they exit the recesses into the higher relief of the field. Trails can also occur on a coin’s incuse devices, which are raised on the die. In this instance, the buff or bristle concentrate against the raised wall and gouge out a trail into the field where the device terminates. Since there is no change in relief in this instance, the trails are weaker. Wavy steps are a form of trails. First picture below by Ray Parkhurst. For a more detailed explanation, please see the article “Unraveling the Mysteries of Trail Dies” by Will Brooks in the July 17th 2017 issue of Coinworld Weekly. To see listings of trails, please visit http://www.traildies.com/.


    Stay tuned for other edits as I find time. (which is slim and none these days, lol.) Please feel free to message me about edits that need to be made so I can add them to my list. Thank you.
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  2. #2
    Lincoln Cent Variety Expert mustbebob's Avatar
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    Nicely done Will.
    Bob Piazza
    Lincoln Cent Attributer
    coppercoins.com

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    Moderator jfines69's Avatar
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    Excellent job Will!!!
    Jim
    (A.K.A. Elmer Fudd) Be verwy verwy quiet... I'm hunting coins!!! Good Hunting!!!

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    Forum Ambassador VAB2013's Avatar
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    You have accomplished many great things through you knowledge and hard work Will! This is one great accomplishment! There will be many more, I am sure!

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    Paid Member jallengomez's Avatar
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    This might help people visualize how this happens. This is a modern mint worker polishing a die.
    Evan-Eagle-Buffing-Coin-Die.jpg

    Photo from: http://www.coinnews.net/2014/01/06/h...Flzvcwc8tFBc70
    “What can be asserted without evidence can also be dismissed without evidence.”

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    Moderator jfines69's Avatar
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    Cool... Thanks for the link... Now we know what polishing compound is used for the die - Diamond Paste Only!!!
    Jim
    (A.K.A. Elmer Fudd) Be verwy verwy quiet... I'm hunting coins!!! Good Hunting!!!

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    Paid Member Petespockets55's Avatar
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    Thanks.
    Excellent videos at the link also.

 

 

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