A 15th-century cannon, an 18th-century flintlock belt-pistol and two swords excavated near Castillon, the site of the battle that ended Britain's rule in south-western France, featured prominently in an Olympia Auctions sale last month.

A 15th-century cannon, an 18th-century flintlock belt-pistol and two swords excavated near Castillon, the site of the battle that ended Britain's rule in south-western France, featured prominently in an Olympia Auctions sale last month.