Pretty clear why the one at Bonham's warranted such a grand price. Such a beautiful lifelike piece!
Unfortunately, Micaela, yours isn't finished like that one.
If you search, you will see MANY brass/bronze items with the same markings as yours.
If my eyes aren't deceiving me when I enlarge your markings picture, I am seeing "jul" in left hand section under the GES?!
Also, is that a plug or nail head in the top left hand section?