11:15Sherlock HolmesThe Adventures of Sherlock HolmesEpisode 11: The Beryl CoronetBBC Radio 4 Extra Duration: 45 minutes Thu 11th Jul 2013, 11:15 on BBC Radio 4 ExtraWho has stolen jewels from one of the treasures of the Empire? The detective investigates snowy Streatham. With Clive Merrison.GenresDramaCrimeBrandSherlock HolmesSeriesSherlock Holmes: The Adventures of Sherlock Holmes Source: BBC Online