Summary
The Sierra Leone Selection Trust (SLST), a De Beers subsidiary given exclusive mining and prospecting rights in Sierra Leone under a 1935 concession, cementing the ties between the British Empire and the cartel (Diamonds and War — State, Capital, and Labor in British-Ruled Palestine, PDF p.36).
Details
- Frederick Mathias was its government director from 1934, an experience he carried into his design of a controlled diamond organization for Palestine (Diamonds and War — State, Capital, and Labor in British-Ruled Palestine, PDF p.51-53).