Vivat RexEpisode 19: A Paper CrownBBC Radio 4 Extra Duration: 1 hourFirst broadcast: Thu 24th May 2012, 10:00 on BBC Radio 4 ExtraLatest broadcast: Fri 25th May 2012, 03:00 on BBC Radio 4 ExtraRichard Burton narrates a playwrights' take on the English Crown. Rival royals clash. Stars Ian Ogilvy and Dame Peggy Ashcroft.GenresDramaHistoricalSeriesVivat Rex Source: BBC Online