3.1 “R.K.” (presumably Rudolf A. Karneth & Sohn), Gablonz a.d. Neisse
Type 3.1.1 Tombak, 8 waves
Type 3.1.2 Tombak, 8 waves
3.1.2 Tombak, 8 waves (de-nazified)
Type 3.1.4 zinc, 8 waves
3.1.3 Tombak, 8 waves
Type 3.1.5 zinc, 8 waves
Type 3.1.7 zinc, 9 waves
Type 3.1.6 zinc, 8 waves
Type 3.1.8 zinc, 9 waves
Type 3.1.9 zinc, 9 waves
Type 3.1.10 zinc, 9 waves
Maker mark comparison
Hinge comparison