Antiques Roadshow, hosted by Fiona Bruce, returns to Floors Castle in south east Scotland, home of the Duke of Roxburghe. The visitors flock to the beautiful grounds on a glorious summer's day, bringing treasures from home and away. A silver box commemorating Robert Burns and a watercolour of Bonnie Prince Charlie represent the best of Scottish antiques, while hand-painted ceramic tiles from Persia, a Nile travel guide and an 18th century travel clock take the programme around the world.The estate lands of Floors Castle encircle the border town of Kelso, while the house, built in the 1720's and enhanced with turrets and battlements in the 19th century, is the perfect backdrop. Fiona meets the visitors and is taken aback by a solid gold denture plate found by a detectorist. The other half is still to be found.It's a day of surprises for the experts too - two 3D pictures of birds punch above their weight, a breath-taking diamond and pearl pendant from Canada sparkles in the sunshine, while a jade figurine from Beijing may not be quite what it seems. But it's a marble carving of a baby which is the hit of the day for Marc Allum, whilst a fragile cup and saucer, which have survived unscathed since the 18th century, are a very rare find indeed.