The roadshow comes from Ebrington Square in Derry/Londonderry in the west of Northern Ireland, where Lennox Cato discovers a table made from the gifts bestowed by a Chinese emperor, while a stunning amethyst pendant catches Susan Rumfitt's eye. Ronnie Archer-Morgan is amazed by a collector who's amassed over one thousand stunning compact purses, and Gordon Foster gets his hands on a trophy for the sport of hurling that was forgotten for over a century. Grant Ford gets to see a painting that was only commissioned after its subject won top prize in a dog show, and John Sandon is amazed to find a pair of plates that are remarkable survivors from the 18th century. Adam Schoon is puzzled by a mysterious paddle that's come all the way from the Pacific, and Fiona Bruce reveals the pivotal role played by Derry/Londonderry in the longest campaign of World War II, the Battle of the Atlantic.