Originally Posted by
merziac
Agreed on the seller part but the binder is a pretty big outlier. I've done a pretty deep basic dive and cannot find any Eisentraut with this wishbone crown or binder. And while I am no Traut expert either, I do know quite a bit about Strawberry's, yours is a dead ringer for my black one in both regards.
I will reach out to Andy and see what he says but would really like a pic of the s/n to use too.

I think Strawberry has sold those seat binders to other builders for a long time.