British No.4 Mk I Pull Switch – SOE / OSS (F87 AA) Equipment and black leather-covered scabbard carrier

and black leather-covered scabbard carrier

being favoured by officers or well-connected non-commissioned personnel seeking stronger

English) above and “SALM” (Suid-Afrikaanse Lugmag

L72in W 31in

The design prominently features a castle

British No.4 Mk I Pull Switch – SOE / OSS (F87 AA) Equipment and black leather-covered scabbard carrierAn original British WWII No. 4 Mk I pull switch, designed for use as a sabotage initiator by Special Operations Executive (SOE), Office of Strategic Services (OSS), Commandos, and sabotage units. The device consists of a small cylindrical brass body with a central striker mechanism, retaining its original trip wire wrapped around the device. When tension is applied to the cord, the striker is released, setting off an explosive charge or detonator cap.