On an outwards facing wall, at the top of the coliseum.
Funny thing was, I searched for it for about half an hour the first time, mostly along the top wall, then the second time I looked for it I realized I'd been standing right on top of it the whole time, I just hadn't looked down. =P
--- Ignorance is a terrible, terrible affliction. And those who refuse to be cured are the worst affected. http://angelfether.deviantart.com