It's Nosy Be. They usually have a nice blue or turquoise color and can turn into more green depending on the mood. Here is my Nosy Be https://www.chameleonforums.com/gallery/showimage.php?i=5134&c=8
I would attend shows every month if it is held in Russia. Even if I went to european reptile show, it's impossible to bring anything with you because of russian custom.