During our holiday this year in August, I picked up two English newspapers off the rack outside the "Amintas Market" and went inside to pay. One newspaper was 10 lira and the other one was 9.50 lira. I went inside the shop and the lady behind the counter asked if I wanted coke or water. I said that I didn't and put the two newspapers on the counter to pay. She said "25 lira". I pointed out that it was 19.50 lira, showing her the price on the front of the newspapers. She said "No - 25 lira". I refused to buy them and left the shop. I walked along the prom and went in the first supermarket I came to and bought the same two newspapers for 19.50 lira.
Afterwards, I told my dad about this and he told me she had done the same to him the previous year. Like me, he refused to pay.
The shop is on the main road, to the left, exiting the prom at Oben's end.
I suppose if I had bought various other items, like she offered, I may not have noticed. I know it's only approximately 5.50 lira or £1.25 but it's wrong.