Original U.S. Navy Mark 9 Illuminated Sight Rear Sight Assembly Then came Sterling's "Crown Jewel"

Then came Sterling's "Crown Jewel" the Mk4

chinstrap condition

and a handful of identified Whitney Navy revolvers with Confederate provenance exist was well

Purchased from a little old lady

Original U.S. Navy Mark 9 Illuminated Sight Rear Sight Assembly Then came Sterling's "Crown Jewel"Original Item: Only One Available. The US Navy Gunsights used during WWII and the early post wars years was limited to just three main types of Gunsights (and their many late war and early post war adaptations and evolutions); all of them being adaptations of British sights: The Mark 8 illuminated sight used for fixed gunnery that was a modified version of the British Barr & Stroud GM2 fixed gun sight (designated the Fixed gun Reflector Sight Mk II);