I found a card from Jerusalem at McDonalds in Belgrade

I dropped my camera on the floor while a beggar kid was walking around the basement of McDonalds for begging. I saw a paper on the floor near my feet but I didn't pick it up till the time I left. I picked it up just in case if it was mine dropped with my camera. Then it had the Virgin Mary figure and the prayer on the back. How this could be? Well, it looked like the one I had in my card collection but it seemed something new with the Cyril alphabet.