The 11.15×52 R LK Express was one of numerous length LK cartridges produced between 1890 and 1910. It was also produced in the Stahl “St” version. Introduced around 1890 and continued to be listed until 1950. It was one of the most popular of the LK series of cartridges and was also loaded as a shot cartridge which was inserted into adapters which were then fired in 12, 16 and 20 Gauge shotguns.

No 1 with no headstamp of unknown manufacture.
No 2 manufactured by G.C. Dornheim.
No 3 manufactured by G Egestorff
No 4 manufactured by H Utendoerffer.
No 5 manufactured by RWS.