1 Anna KM#513 3.8100 g., Copper-Nickel Ruler: George VI Obv: Crowned bust left Obv. Leg.: GEORGE VI KING EMPEROR Rev: Denomination and date within decorative outline Note: Until 1920, all were struck at the Mumbai (Bombay) Mint without mint mark. From 1923 on, the Mumbai (Bombay) Mint issues have a small, raised bead or dot below the date. Calcutta Mint issues have no mint mark.