I am in doubt for which country this is. The "1913 T" may indicate Bulgaria, but the "T" looks Latin instead of Cyrillic. The "double R" I also am unable to link to a country.
I suspect this shell case to be Bulgarian, but I also found this shell case with Chilean marks.
Any ideas?
I suspect this shell case to be Bulgarian, but I also found this shell case with Chilean marks.
Any ideas?