How Much Is This Yves Saint Laurent Bag Worth?

I Have This Bag, it is authentic Yves Saint Laurent. Been looking online to see how much roughly it is worth. Dont no if its worth much, but my family %26amp; friends says it is, Can anyone help please?http://i968.photobucket.com/albums/ae164/avviexxx/IMG_0023.jpg|||YSl most of the time are from 900 to 4,000 dollar bags