Original Soviet Russian DShK M1938/46 12.7mm Heavy Machine Gun Anti-Aircraft Rear Sight - dated 1953 M3 Grease Gun The visor on this cap

The visor on this cap is the standard "vulcanfibre" with black patent faux leather stitched around the edge

Adopted in Emperor Meiji's thirteenth year of reign

it doesn't seem to be as common as the later Showa Emperor Enthronement Commemorative of 1928

Model 1822 Musket was a

Original Soviet Russian DShK M1938/46 12.7mm Heavy Machine Gun Anti-Aircraft Rear Sight - dated 1953 M3 Grease Gun The visor on this capOriginal Item: Only One Available. This is an extremely scarce accessory for the Soviet WW2 Era DShK heavy machine gun. Originally issued in 1938, and updated in 1946, the DShK was one of the most widely used Heavy Machine Guns in the 20th century. This is the exotic rear sight for the DShK 12. 7mm Heavy MG, which is fully functional, with rotating crosshairs and tracking reticle, still linked with the connecting rod. The small crank on the side