Trying to find Belito, in Final Fantasy XII?

I'm trying to find the hunt "Belito". I've already searched all of the Nam-Yensa Sandsea and Ogir-Yensa Sandsea and the Zertinan Caverns. I looked on google, and no one really seems to even KNOW about the mark. Any experienced FFXII gamers out there know where I can find it? Thanks!