Description

1916 (Apr) Stampless plain envelope to Germany with vertical crease & superb rare violet double rimmed 39mm circular Deutsche Feld – Flieger Abt. 300 /Pascha (Bale M-20) authenticating Feldpost concession rate plus framed Turkish censor s handstamps & on reverse Stamboul (12 Apr) transit datestamp ..A very visual item from the German Military Mission Air Unit.