I have searched both companies on the base plate but I can’t find anything on them. The case neck diameter is 76.5 mm, the base plate is 90mm, and the length of the case is 384mm. The projectile is 75mm in diameter and 300mm in length. I originally thought French but the cartridge base plate does not indicate that. Maybe the projo and cartridge don’t belong together. Any help would be appreciated.
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