I have the following serials (collected from various secondary sources).
- Junk. Cl.I 1800:1809/18, (10) first batch from Junkers-Fokker Werke A.G. (Jfa);
- Junk. Cl.I 1850:1869/18, (20) Jco or Jfa (No pictures! No confirmation);
- Junk. Cl.I 12600:12619/18, (20) Junkers-Fokker Werke A.G. (Jfa);
- Junk. Cl.I 12920:12929/18, (10) Junkers-Fokker Werke A.G. (Jfa);
- Junk. Cl.I 15672/18 (photos, Windsock Datafile 131) ...
There is a batch of Zepp. Cl.I [Zeppelin Werke Lindau G.m.b.H.] starting from 1820/18 ... Not clear how many actually delivered.
Regards,
Yavor