Just have to share the laugh. Not quite sure the author of the ad (posted on a clip of paper in a window - photo available at http://www.srbovanje.com/modules/myalbum/photo.php?lid=6580&com_start=0 - cyrillic, though) meant it as a joke or not.

"Selling three kittens - two different, one same! Urgent. Cell 064/468-18-55"

Someone on that forum tried to call that number, and the girl there just laughed.