My W&C Scott&Son 20 ga have these marks on both barrels, but some letters are missing. I think they inform about the barrel steel. Can somebody help me with the meaning?

[Linked Image from i.ibb.co]
[Linked Image from i.ibb.co]
[Linked Image from i.ibb.co]
[Linked Image from i.ibb.co]
ss imagenes

Last edited by campero; 07/11/21 05:51 AM.

28 ga, hammerguns and all shotguns and rifles made by hands.
Waidmannsheil 🌿📯