I expect the markings shown below are on Bulgarian shell cases. I have seen a few different markings and they seem to have some kind of resemblance. They look like a combination of "Y" and/or "arrows" in different combinations.
The "Y under a roof" is often found on 75x278R90 shell case by Rheinmetall.
The "Y" or "arrow" like figure in a large "C" or open circle I found recently for the first time on a 1905 dated Berndorf export case.
The "double arrow" I found twice now, first on a 1914 dated export case with Krupp number 164 (15 cm C/95 L/35) and recently on a, probably much older, Karlsruhe made 47x158R64 mm case.
Does anybody know the meaning and do you support the hypothesis they are for Bulgaria?
The "Y under a roof" is often found on 75x278R90 shell case by Rheinmetall.
The "Y" or "arrow" like figure in a large "C" or open circle I found recently for the first time on a 1905 dated Berndorf export case.
The "double arrow" I found twice now, first on a 1914 dated export case with Krupp number 164 (15 cm C/95 L/35) and recently on a, probably much older, Karlsruhe made 47x158R64 mm case.
Does anybody know the meaning and do you support the hypothesis they are for Bulgaria?