Sterling slid quite sharply on the foreign exchange markets from the start of April. £1 was trading below €1.15, or 86p for a euro just after Easter.
Some commentators have put the movement down to renewed speculation on the cohesion of the Union of the United Kingdom, with the upcoming polls in Scotland.
Analysts speculate that a subsequent second referendum on Scottish independence will send jitters through the FX markets - and envisage more fluctuations leading up to the May elections and even more so if a new referendum is eventually called for and gained.
