I know, I know. This one is worn badly. It's in a basal state, but nevertheless, I'd like to know what possible German state it may be from. I'm just trying to match the head to a particular ruler.
I will go with Friedrich Wilhelm II, 1788-1816, Duchy Nassau-Weilburg but I wouldn't bet my 1877 IHC on it.
The head reminds of a Danish 1 Skilling coin. So I think not Nassau, but Denmark, or Schleswig Holstein.
I'd agree with you guys, it looks like Frederik VI from Denmark. Can you tell us the size and weight ?