Good afternoon everyone / I don’t know if this cartridge has been modified or is it original. for sale here in brazil year1908 KARLSRUHE PATRONE fabrik 698
BIG BORE AMMUNITION by Hawkinson does not list anything that is close to a 105x120mmR tapered shouldered case.
BUT this still could be a legitimate case:-), just not listed by Hawkinson.
Do you know the rim diameter?