Well, it arrived yesterday and considering it's about he size of a dime and has a smidge of verdigris (which I may or may not treat).
https://goccf.com/t/18595
Here is a link (In German) which was provided by a very knowledgable individual on another forum and I thank them for it.

The pictures speak for themselves.
http://www.informatik.uni-hamburg.d...Tafel02.htmlTake Care
Ben