Under the Hammer (1994)

4. The Jolly Joker
"Secrets and Seduction at a London Auction House" was the tagline for this 90's drama / comedy series, starring two well loved national treasures Richard Wilson and Jan Francis, the series was created by John 'Rumpole' Mortimer.
This is episode four and it guest stars Keith Barron and it was originally broadcast on Monday 31st January, 1994 and on ITV