Los 6517
1918, registered cover from German Fieldpost Delegation in Caucasus with violet straight-line "Deutsche Feldpost Exped. 907" and adjacent cds. "Deutsche Feldpost -4.9.18 * 907 a" addressed to the accounting office in Berlin, opened a little rough and some minor transportation wear, very rare and one of only three known registered covers, detailed certificate Haspel BPP (2009)
depicted in Ahrens "Die Feldpost der Deutschen Militär Mission Türkei 1914-18", number 12, page 137
