Predecimal Shilling Diameter1816 – 1926: 23.6mm1927 – 1966: 23.5mm Weight1816 – 1946: 5.66g1947 – 1966: 5.65g Composition1816 – 1919: 0.925 silver1920 – 1946: 0.500 silver1947 – 1966: cupro-nickel Click here to download the QR code for this page