Bronze Sabaean Bull Sculpture is a treasure in Uncharted 3: Drake's Deception. It can be found in Chapter 21 - The Atlantis of the Sands. Like the Carved Sabaean Face, this treasure is found between chapters 20 and 21, but is most easily accessible by replaying Chapter 21. Facing the sealed door there will be a ladder on your right leading up the wall. When you are a short way up the ladder look to your right and you should see the treasure laying on a small landing that you can jump to