Germany, Luftwaffe. A Set of Oberingenieur Rank Insignia Auction Archive 1857: "On 2 September 1855

1857: "On 2 September 1855 during the siege if Sebastopol

measuring 88 mm (w) x 46 mm (h)

with the body of the cap fabricated from a dark field-gray wool

the opposite end with a reverse leather tongue perforated with nine sets of dual eyelets

Germany, Luftwaffe. A Set of Oberingenieur Rank Insignia Auction Archive 1857: "On 2 September 1855(Luftwaffe Insignien fr einen Oberingenieur). A matching set of Luftwaffe Oberingenieur rank insignia, including: 1. A pair of collar tabs, each constructed or rose pink wool with a buckram core, trimmed with twisted and rolled silver aluminum wire piping, and bearing a silver aluminum wire propeller situated above an oak leaf wreath of identical construction, both unmarked and measuring 40 mm (w) x 60 mm (l), demonstrating moderate mothing, in