James Edwards, chief cashier for Leeds Transport Company in the 1950s, put aside any fake or foreign coins he found when gathering fares from the city's bus and tram drivers, before passing them to his grandson Peter.Peter, now 77, kept the coins safe for more than 70 years and has now discovered one of the collection is so old that Jesus hadn't even been born when it was minted.He found that the small coin was made in the 1st Century BC by the Carthaginians, an ancient Mediterranean civilisation with Phoenician roots, in Cádiz, Spain.On one side it bears the face...