The 11 X 52R M TARGET (EINHEITSHULSEN) was produced by most major cartridge manufactures from about 1876 until 1914. There are variations of the length of the case neck amongst some manufacturers. It was a popular for target shooting.

No 1 no headstamp make unknown

No 2 manufactured by B Stahl of Suhl.

No 3 manufactured by G.C. Dornheim and produced during/after 1901 when the company acquired B Stahl of Suhl