Lot 7092 366 auction march 2018 - 7092

1942, Airmailstamp, imperforated with left sheet margin, tied by straight line "28.NOV. 1942" to folded letter to Vienna with adjacent L2 "Feldbahnpost Riga-Gatschine", stamp with horizontal crease, otherwise fine and rare with only a few of these covers known, signed Pickenpack and Mogler BPP