Harry Greb Signed Print Vintage

I am from Pittsburgh and enjoy finding pieces that involve Pittsburgh in some way. One of my favorite items I own is a 1963 boxing program from when Cassius Clay fought Charlie Powell in the Civic Arena. There are only five known to exist. The item I would like to discuss is a Harry Greb Signed Picture. He was known as "The Pittsburgh Windmill" and fought a recorded 298 times which is insane! To make his story even more insane was that he was blind in one eye, and only lost 2 fights, with one only due to an injury to his arm. The item appears to be a print, yet it does not have the text in the bottom right that other prints I've found. I am having financial issues and am curious what others would believe this to be worth (obviously an items worth is what someone will actually pay).