Fine, now lets sell advertising space on banknotes. That'd raise enough to finance heritage forever....
God, that's a good idea Nigel. Bank notes are well overdue for a redesign. I can see it now - a new £20 note with an engraving of Stonehenge on the verso and a discreet line of advertising along the bottom. Alas it'll never happen, the authorities lack that one all important ingredient to make it happen - vision.