T 9c Flower pot 18x19 mm Colour: Violet Items known: 30.1.1963 Stockholm Ban to Singapore, violet 30.1.1963 Single rate letter remailed to Singapore. Domestic rate 35 öre, foreign rate 50 öre. The difference 15 öre converted to centimes 15/1.70=9. Charged 9 cents in Malayan currency