What am I worth? Pre-Rookie Mantle auto and others

I have a book that has been autoed by 38 different players. About 10 of them are Negro League players and the rest of them are Kansas City Blues Players. This was the feeder or farm team for the Yankees in the 50's. The lady I got this from had a connection through her father who was supposed friends with Rizzuto. All the autos have been looked at by and authenticator and I am waiting to get some money saved up to have the book sent in and some autos cut and slabbed and the rest a LOA with them. My question is whats the value of the whole book or maybe individual autos as they are all from pre major league players. I am looking for input and maybe a good offer. The book will not sell till the authentication is complete just to be safe but as I said the online verification came back good (And yes it was a Major Company who looked at it). This is a few of the pics.