Parade Saddle

How much is my horse worth (please answer) please tell me your location or state?

I need to know how much my horse is worth.

He is a 7/8 Arab 1/8 saddlebred (national Show Horse)
14.3 hands
15 years old with no medical problems
clammest horse every (see pic links)
registered half arab
does cattle sorting, eventing, pleasure, jumping, trail [...]