[L/52] Carl Friedrich Zimmermann, Pforzheim
KVK > KVK1 > LDO PB - Nadelsystem
Silver version
Silber- Version
Regular Zinc version
Klassische Zink- Version
Regular Zinc version, [L\52] Backslash Mark
Klassische Zink- Version, [L\52] Backslash Punze
Regular Zinc version, 2nd Pinback
Klassische Zink- Version, 2. Nadelsystem
