Amid the gardens and the great glasshouse of the National Botanic Garden of Wales, finds include a Chinese box that Gregory Peck tried to buy and a robotic elephant.

Fiona Bruce and the team return for a second visit to Lytham Hall in Lancashire, where items assessed include a chair believed to be from Nelson's flagship and a series of watercolours rescued from a skip and worth thousands. Geoffrey Munn finds a diamond pendant presented by the city of Liverpool, and there is some 1960s rock 'n roll memorabilia of the highest pedigree.