I have astronaut autographed photo's that I want to sell,but don't know

Question: I have astronaut autographed photo's that I want to sell,but don't know who to go to can anyone help me!.!?

I KNOW THEY A WORTH SOMETHING BUT DON'T KNOW WHERE TO SELL THEM AT OR WHO WOULD WANT THEM!.THEY ARE FROM THE FIRST MAN ON THE MOON TO THE SHUTTLE DISASTER IN 1986!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Have them appraised, then contact an auction house!.

http://art-collecting!.com/appraisals!.htm
http://www!.sothebys!.com/Www@QuestionHome@Com

Research on Ebay, even past auctions!. That will give you the closest estimate!. Your best bet is selling them there too!.

Edit: Sotheby's does not sell that sort of photograph!.Www@QuestionHome@Com

Sell them on e-bayWww@QuestionHome@Com

I would love them, but doubt i could afford it!.Www@QuestionHome@Com