A mysterious inscription, a famous name and a colossal price tag. The team embark on a high-stakes quest to authenticate a 'lost' Churchill. Is it genuine or a clever fake?

The team investigate an early portrait and a charming little landscape, both believed to be by one of the biggest names in art. Could two new Renoir works have surfaced in the UK?

When a keen art blogger picked up a £35 bargain at auction, he started to suspect he’d found a missing work by Frances Hodgkins. Can the team prove his hunch was right?

An American couple think their $200 portrait could be a long-lost work by artist Angelica Kauffman. The evidence is promising, but its condition raises alarming questions.

The team return to two portraits of Black British women from the 18th and 19th centuries. How have recent changes in society transformed the fortunes of these important artworks?

The team return to the story of a painting by Canadian impressionist Helen McNicoll. Did owner David take a big money offer from a rich collector or try his luck at auction?