Original Imperial German WWI Teleplast 10x Binocular Rabbit Ears Periscope by Carl Zeiss in Original Case Breda M-37 and it still shows clear

and it still shows clear three groove rifling

The striker is secured by a cotter pin (removed when loaded)

and later enclosed and carefully streamlined

It is comparable to a European fauchard or glaive and consists of a heavy blade with a spike at the back and sometimes also a notch at the spike's upper base that can catch an opponent's weapon

More on the Mauser T-Gewehr M1918:

Original Imperial German WWI Teleplast 10x Binocular Rabbit Ears Periscope by Carl Zeiss in Original Case Breda M-37 and it still shows clearOriginal Item. Only One Available. This is a tremendous and scarce set of WWI German Rabbit Ear binoculars, the first set of this variation we have offered. This is a very small set of rabbit ears, perhaps the smallest we have encountered. They are very well marked between the ears to Carl Zeiss of Jena. The serial number, 567566, dates them to around production year 1915 16. They are in good condition with crystal clear vision and easy focus, and the