WWI Austro-Hungarian Model 1917 Trench Knife with Scabbard and Belt Attachment Receiver would continuously track a variety

would continuously track a variety of stars as the aircraft's changing position brought them into view

The helmet comes covered with a lovely large panel vehicle net

The inside of the top flap is marked with the maker information and date:

Size is approximately 6 3/4 (52cm)

These look like neutral density filters to reduce light intensity

WWI Austro-Hungarian Model 1917 Trench Knife with Scabbard and Belt Attachment Receiver would continuously track a varietyOriginal Item. Only One Available. Trench knives were utilized by most armies that fought during World War I. This is a near perfect example of an Austro Hungarian trench knife with the complete scabbard and belt attachment, properly known as the sterreichisch ungarisches Kampfmesser Modell 1917. This is a phenomenal example of the standard model knife used by the KuK forces during World War I. There is a very faint makers mark on one side of the