It should be a logical guess, but unfortunately neither has the character traits of a German = large gapes where the seams meet, very straight white slag lines on/near the surface, not a lot of internal action (but some, occasionally), and viewed from the side shows very straight, not curved "half-moon" shapes. It`s one of the ways you can tell them from a CAC slag. CACs always have some (and sometimes more) curvy-ness there. And I do have a lot of machine-made German slags.
Not the same number as CACs, unfortunately.
But that`s why I just can`t go there, to the Germans. I wish I could, but there`s just not anything there that should be.
I still think there`s a marble company in Europe we don`t know about yet. It would fill the bill!