Not lathe lines - lathe lines would emanate from the center of the die then move concentrically outward and would show only in the fields.
It may be a struck through coiled piece of wire or string/thread - or it just may be simply some kind of damage.
The way the shadows fill in the lines it looks incuse also.
Edited for bad spelling.
Edited by Marv65
02/06/2024 12:15 am