probably got dark from being outside and then someone took to wire wheel you can see like a center of more wear from 2 oclock to 8 oclock
Ok. I appreciate it. When I find something like this and it still has luster it makes me wonder. I figure it's usually environmental but I like to ask to be sure.
Set it next to another 23 that is brilliant. What is that on the right side of the Monticello? It could have taken some heat after strike but that could be all just die deterioration. There is a full rim.