Wartski: The First 150 Years, really is something of a jewel. Author Geoffrey Munn is a familiar face on the BBC’s Antique Roadshow, where he tenderly unveils precious jewellery and object d’art brought to the wobbling tables every season.

The stage is set, the tickets are all sold, and now, eight years after he was first due to perform there, Eminem will headline Slane Castle tomorrow.