Trail dies!

[enamel7]

Actually, trails can be found on coins before the single squeeze method.

 

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[PetesPockets55]

And as Enamel has stated these are die flow lines and are an example of an older die. die flow lines tend to be closer to the rim and are orientated from the center to the rim since that is the direction metal "flows" across the face of the slightly convex die face.

Error-ref LINK .
They use really extreme examples for their images.

 

[PetesPockets55]

“S".

Trails
Edit
Main article: Wavy steps and trails
Lines, called trails, transfer to coins from dies made using the modern high pressure “single pressing” process. When images are impressed into dies using the process, the displaced metal moves out into fields leaving visible lines on the dies. The dies themselves are called trail dies. Coins on which the lines appear are simply called trails. Trails were first noted on Lincoln Memorial steps found on the reverse of one cent coins minted from 1959 to 2008. The trails gave the steps the appearance of being wavy. The term wavy steps is still used to refer to trails found on the memorial steps, but the term trails is more commonly used to refer to lines found elsewhere.”

The definition of Trails has been updated as of Oct. 2018 after an in depth study by expert Will Brooks which was published in one of the prominent coin mags.

Here is a LINK to "Definition of Trails Updated" that Will authored also.

Hope this is helpful to those interested in Trail dies.

 

[BC1969]

Well that's certainly informative!
Thanks for the link!
I didn't know about that site.

Mike