Russian Empire. The chest sign of a military airman (pilot) converted from a badge (cipher) for the chase. In April 1917, after the decree of the interim government to abolish the chase, it became fashionable to wear linear signs on the chest or on the forage in the form of insignia. Excellent condition. Very rare
The silvered light bronze. Size 42.3*28mm. weight of 8.6 grams.