[Request] References For Rangers of Ithilien Bow From LoTR

[Elven Doorstop]

Hey guys! I'm currently working on making a bow and arrow and I'd like to make it based on the bow of the Rangers of Ithilien from the Lord of The Rings, problem is that the few pictures I can find are hard to determine the shape from, that is I can't tell whether it is flat on the front/sides/back or if it's curved. Any pictures and even information on how the bows were made or what material they were made from would be greatly appreciated.

Thanks!