Otto Schickle, Pforzheim
EK > EK1 > Early - Frühes EK1
Regular pinback version
Klassische Nadel-Version
2nd pinback version
2. Nadel-Version
Two piece screwback version
Zweiteilige Schraubscheiben-Version
1st clamshell disc version
1. Sternschraubscheiben-Version
2nd clamshell disc version
2. Sternschraubscheiben-Version
3rd clamshell disc version
3. Sternschraubscheiben-Version
1914 - pinback version
1914 - Nadel-Version
1914 - pinback version #2
1914 - Nadel-Version #2
1914 - screwback version
1914 - Schraubscheiben-Version
