A silver ring unearthed in an Essex field may be connected to a famous Roman jeweller's hoard found in Norfolk in 1985, a historian has said.The ring is inset with a carnelian carving of the god Apollo. It was found by a metal detectorist near Chelmsford...The ring seemed to be from the same workshop as the Snettisham hoard of carved gemstones, she added.The large hoard was found buried in a pot during building work and included 110 unmounted gemstone intaglios - carved gemstones used as seals - silver jewellery and ingots, 110 coins and tools, Its contents are now at...