7.1943 Domobranska središnja škola to Bitterfeld, Reich

 05.07.1943 registered expres letter from a member of 5.sat Dom(obranska) sred(išnja) škola in Varaždin to Lager Maria in Bitterfield in the Reich. Domobranska središnja škola(Army central school) trained reserve officers. Lager Maria held foreign workers recipient of this letter was probably one of them.

Letter has nice postal manipulation cancels: Varaždin postal cancels, Lager Maria arrival cancel and German censorship label with cancels. 

Total 23kuna postage was paid: letter to Germany 4 kuna, Registration 9 kuna and Express delivery 10 kuna.

02.1918 - K.u.K Marinefeldpost mail from SMS Prinz Eugen

 21.02.1918 official registered K.u.K Marinefeldpost mail sent from SMS Prinz Eugen to k.u.k Machinenschule in Pola. Ships cancel and Marinefelpost Pola cancels are easily visible, under Registration label are purple cancels Rekommandiert/Portofreie Dienstache meaning Registered/Free of charge official mail.

There were 2 versions of K.u.k Marinefeldpost Pola - Registered labels, this is a first version with thin letter R that looks similar to Austrian civilian post labels, the latter version has a thick R letter.

This is an Gegen-Verpflegszettel (Counter-Ration Slip/Form) it is a document used to manage or account for food rations (Verpflegung) when soldiers were separated from their main unit, receiving food from another unit.

05.1944 Luftwaffe official mail to Dubrovnik

 25.05.1944 official letter from Fp. L 12159 or Fliegerhorst-Kommandantur 212/XVII to Erste Kroatische Sparkasse in Dubrovnik. Fliegerhorst-Kommandantur 212/XVII was stationed in Mostar and it operated Mostar military airfields.