Yes, it´s band V. Not much information given, but there´s some in the Neuwirth link.
He says they were made by Josephinenhütte, according to the book by Stefania
Zelasko. I think he´s highly reliable and he´s been quite helpful with a request
I had some time ago... those spiral-pattern WMF bowls, you may have heard of...

´Das böhmische Glas´ shows a few models, but none with prunts... There was
an immense number of pictures from the Passau museum somewhere online, but I
forgot to bookmark the link - nothing official, someone private....
