Lovejoy - Season 4 - Eps 7: The Galloping Major
On a visit to Frankie's scrap yard Lovejoy acquires an ancient cannon. He takes a trip to the Tower of London to see what he can find out about it, and while he's away an ordnance expert going under the name of Major Turpin tries to steal the cannon from under Eric's nose.
About Lovejoy

Title: Lovejoy
First Air Date: 1986-01-10
Last Air Date: 1994-12-04
Status: Ended
Rating: 7.3/10 (from 49 votes)
Language: EN
Seasons: 7
Total Episodes: 73
Network: BBC One
Genres: Comedy, Drama, Mystery
Production Companies: BBC
Synopsis
The adventures of the eponymous Lovejoy, a likeable but roguish antiques dealer based in East Anglia. Within the trade, he has a reputation as a “divvie”, a person with an almost supernatural powers for recognising exceptional items as well as distinguishing genuine antique from clever fakes or forgeries.
Cast

Ian McShane
Lovejoy

Dudley Sutton
Tinker Dill

Caroline Langrishe
Charlotte Cavendish

Diane Parish
Beth Taylor