The tables end up being turned on Philip this week when one of his own pictures are put under the microscope.

Fiona and art experts Philip Mould and Bendor Grosvenor attempt to help a man who has inherited three paintings supposedly by LS Lowry.

The team investigates a beautiful 18th-century Venetian view. Could this be a work by one of the Italian masters - either Francesco Guardi or Michele Marieschi?