Antiques Roadshow is at Clissold Park in Stoke Newington in the London borough of Hackney, where Will Farmer is charmed by a collection of glitzy items made by the iconic Italian designer Piero Fornasetti.John Sandon looks at a characterful collection of ancient Peruvian pottery, with some pieces made over 1,000 years ago, while Raj Bisram enjoys the chance to pose with a pipe once owned by prime minister Harold Wilson.Ronnie Archer-Morgan is thrilled to see a collection of handmade designs and fabric swatches created by pioneering postwar designer Althea McNish, and he's also intrigued by a pair of carved wooden statues by the Baule people from Côte d'Ivoire.Andy McConnell is stunned to see a curious white vase that looks more like a piece of porcelain than glass, only to reveal that it's one of the rarest pieces of glassware that he's ever handled.Susan Rumfitt falls for a collection of jewels dating from the late 18th century to the art deco period, including a huge diamond ring with a staggering value, while ceramics expert Serhat Ahmet challenges Fiona to work out what she should buy, sell or keep from a selection of figures by the Meissen factory.