Will Brooks has an article coming out in the Jul 17 issue of
Coin World on Trail Dies. He had a theory about how they were created, and I took high res stacked images and 3D perspective renderings of various features of Lincoln Cents to help prove the theory. It's a 3-page article so goes in-depth to explain what's really going on with the Trails phenomenon. The online version is already available to view, and print version should be coming out soon. Give it a look! ...Ray