I will apologize in advance for not having full Obverse/Reverse pictures. I cant find the dang penny to take some! When going through a box a few weeks back I found this anomaly and snapped a couple quick pictures and meant to go back to it. When I examined it, it looks as if a device (I think thats what its called) or a part of a letter somehow broke off and embedded itself against the U on the reverse. You can see in the second photo it is the same height as the U. It is somehow pushed up against it created a bit of a pushed in section on the U. Problem is, I cant think of how this could even happen at the mint. My assumption is it some sort of PMD Im just not familiar with. If not, how can part of a letter on a die been broken and moved like this? It cant happen can it? The die consists of"voids" where the raised parts of the coin are. It makes no sense to me. Any thoughts? I will continue to try to find this 1958 weirdo to get full shots. The third picture was as far out as I could zoom with the camera I had at the time and just shows the nasty condition its in.
I'm guessing Struck through dropped filling. Grease and other debris build up and harden in a device on the die. Oftentimes, you see it as a loss of design detail (missing letters, etc). Eventually, the embedded muck hardens and breaks free (in the shape of the device that spawned it) and is now hard as steel and can be randomly impressed into the next coin or two before falling away. They are interesting and rare, but don't have much collector value...currently. It's classified as a "striking error", not a die variety. https://conecaonline.org/glossary-of-error-variety-terms/
whoa. Kind of cool! Its like a hardened grease blob impression? Could there be others out there like it then???
