An aura of mystery surrounds The Gold of the Pharaohs, the second coin in The Magic of Gold series, which traces the mysterious nature of gold in Ancient cultures. Made of pure gold, the ‘flesh of the gods’ and the symbol of eternity in Ancient Egypt, the coin features the death mask of the ‘boy king’, Tutankhamun. More than 3,000 years old, the most celebrated of all the famous burial objects uncovered in Egypt’s Valley of the Kings is still casting its spell in the 21st century.

The eight-pointed white cross on a red background is instantly recognisable as the logo of the Order of St John. The origins of this charitable organisation, which oversees the St John Ambulance organisation worldwide, go back to a knightly order known as the Order of Knights of the Hospital of St John of Jerusalem. The courage in adversity shown by the ‘Hospitallers’, as the Order’s members were known, is symbolic of fortitude, the pillar of knighthood to which the fourth coin in the Knights’ Tales series is dedicated.

The Internet creates infinite possibilities and gives instant explanations by placing the world at our fingertips. But while surfing the net we leave visible traces that businesses use to learn about our individual preferences by analysing the resulting large data sets, meaning that users lose their privacy and autonomy. Big Data, the latest edition in the best-selling Silver Niobium series, highlights the dangers and disadvantages of the digital revolution.