The Straits Settlements — a British crown colony administered from Singapore — had its currency managed through the Board of Commissioners of Currency rather than a conventional colonial treasury, an arrangement that gave local merchants unusual influence over silver content decisions. The .600 fineness of this issue reflects a deliberate wartime reduction from earlier sterling-standard coinage, driven by rising silver prices as global markets tightened during the First World War.
Both years of this short run were struck at the King's Norton Metal Company in Birmingham, not the Royal Mint — a subcontracting arrangement forced by wartime pressure on London's production capacity.
The Straits Settlements — a British crown colony administered from Singapore — had its currency managed through the Board of Commissioners of Currency rather than a conventional colonial treasury, an arrangement that gave local merchants unusual influence over silver content decisions. The .600 fineness of this issue reflects a deliberate wartime reduction from earlier sterling-standard coinage, driven by rising silver prices as global markets tightened during the First World War.
Both years of this short run were struck at the King's Norton Metal Company in Birmingham, not the Royal Mint — a subcontracting arrangement forced by wartime pressure on London's production capacity.