Collection Item Summary:
These are examples of a Lieutenant Colonel's rank insignia from the Imperial Russian Air Service.
These particular insignias belonged to Lt. Col. K.N. Finne. He served as the Senior Flight Surgeon for the Imperial Russian Airship Squadron and assisted with Igor Sikorsky during the development of the Il’ya Muromets. He detailed the accounts of Sikorsky in Russia during this period in his book, "Igor Sikorsky: the Russian Years."