Oilers: Unknown Soldier
The "Hedgehog of Mystery" has been reported by collectors in Australia, Canada, France, South Africa and the United States. All the marks observed have been on the underside of a BSA Commercial SMLE barrels manufactured after 1920. The lone oiler is in the United States.
Source: GunBoards topic 1195165 and 11512616. Retrieved 2025-02-27.