Airport rates were poor, we changed £100 on arrival in the Samokov, Boro at 3.00am.
That being said, Going Places change up to £20 (or £500+) commission free, I took 50 lev (£18ish?) just in case, rate was 2.58, on 50 lev it is pennies and at least we had a few beer tokens when we got there.