Sorry for not being clear but I got the visa on the 28th May. I then stayed until the 7th June, before returning from the 2nd August to the 30th. I was therefore only in Turkey for 39 days over the period. When it was said that I had overstayed by 2 days, the authorities meant that the visa was being treated as a 90 day visa, not 180 days as it clearly stated. Had the visa meant what it actually said, then there could have been no question of me overstaying and therefore being fined. And you're right, I didn't gun down a bus queue - I simply tried to leave the country with a visa which on the face of it was valid.