It so hard to say who made the saxes. And who owned the brands/companies.
TA Triumph Adler AG group was formed in the early 90's and the Vogtländische Musikinstrumentenfabrik GmbH ( VEB B&S back in the DDR/GDR days). "Keilwerth" moved thier production from Nauheim to Vogtländische Musikinstrumentenfabrik in east Germany around 2005/2006.
Here is two pictures from BWWW catalog from 96/97 and 2000.
TA Triumph Adler AG group was formed in the early 90's and the Vogtländische Musikinstrumentenfabrik GmbH ( VEB B&S back in the DDR/GDR days). "Keilwerth" moved thier production from Nauheim to Vogtländische Musikinstrumentenfabrik in east Germany around 2005/2006.
Here is two pictures from BWWW catalog from 96/97 and 2000.