1918 Straits Settlement 10 Cents
Portrait King George V
Weight 2.71 grams
Silver
Purity 40%
Estimated Bullion value = 2.71 grams x Spot Price x 40%
If you look back in British History, they started a war in 1919 and maybe they had to devalue the silver content of the coins minted during that time to fund the war.