That'll be the lowest since the beginning of the world.

In 1985 there were about CHF3.50 to the pound.

In the 1950s the Swiss called the CHF20 note a pound as that was what it was worth - a bit like the British used to call the half crown (2/6 or 12.5p today) a 'half dollar' when there were US$4 to the pound. Aye them were the days...