GU04 XER

From Tardis Wiki, the free Doctor Who reference
2 cars with the number plates 'GU04 XER' and 'V002 NBB'. (TV: Boom Town)

GU04 XER was the number plate of a silver car parked next to another car with the number plate 'V002 NBB', parked outside of the Cardiff Town Hall in September 2006, on the day Blaidd Drwg, a nuclear power plant, was announced. (TV: Boom Town)