Rare Roman gold coins regarded as "priceless" by experts have been unearthed in Derbyshire. The coins, which date back to AD 286, were discovered by Derrick Fretwell while he was out digging near Ashbourne. After an internet search failed to shed any light on his discovery, he turned to Derby Museum who, in turn, sought help from experts at the British Museum in London. Their studies have revealed that one of the coins has never been classified before and the other is the first example to be found since 1975. The museum's Sam Moorhead, an expert in Roman antiquities, said:...