Fiona Bruce and the team head to Helmingham Hall in Suffolk, which has been home to 20 generations of the Tollemache family. The moated Tudor manor house, with two working drawbridges, is the perfect backdrop for a roadshow brimming with antique finds.Lee Young discovers a collection of 17th- and 18th-century decorative boxes that the owner is using as his pension fund. Militaria specialist Bill Harriman is intrigued by a medieval sword dredged up from a pond on a golf course, and Geoffrey Munn sees an Indian jewel, dating back to the Siege of Seringapatam in 1799, that carries a jaw-dropping value.