Need help on value of Sugar Ray Robinson autograph on ringside and leaf card
 

Apologies if this is the wrong place to ask this. Wasnt sure if I put my question in memorabilia or boxing forum. I recently obtained these three autographs that were in a scrap book, a ringside card, a leaf card and a photo. I have no doubt as to authenticity but not sure what they are worth. I have many autographs but my main interest is baseball. Any estimate on value would be a great help. The cards have small of paperloss on the back from removing them. George L