Siamese/Thai Type 46 (45?) mauser made by Japan for Siam (Thailand) in 8 mm x 50R (Type 45 cartridge) about 1903-08.
Siamese/Thai Type 46 (45?) mauser made by Japan for Siam (Thailand) and probably converted to 8 mm x 52R (Type 66 cartridge) about 1923. The Type 66 cartridge will not chamber in the unconverted (upper rifle) Type 46 Rifle.
