I have the following nine autographed baseballs listed separately on eBay:
1. Sandy Koufax, Duke Snider, Tom Lasorda
http://www.ebay.com/itm/222465867639...84.m1555.l2649
2. Ted Williams
http://www.ebay.com/itm/222465881375...84.m1555.l2649
3. Sandy Koufax
http://www.ebay.com/itm/222465886789...84.m1555.l2649
4. Nolan Ryan
http://www.ebay.com/itm/222465890531...84.m1555.l2649
5. Brooks Robinson & Mike Schmidt
http://www.ebay.com/itm/222465895692...84.m1555.l2649
6. Duke Snider
http://www.ebay.com/itm/222465899722...84.m1555.l2649
7. Steve Carlton
http://www.ebay.com/itm/222465901698...84.m1555.l2649
8. Steve Carlton
http://www.ebay.com/itm/222465904173...84.m1555.l2649
9. Steve Garvey
http://www.ebay.com/itm/222465904173...84.m1555.l2649
All of the signatures have been authenticated by CAS. If you are not familiar with them, they are a newer company started by Mike Root, former Director of Authentication for SGC, so this isn't some "fly-by-night" authentication company. Check out their website for more info:
http://www.casauthentication.com/. I decided to go with CAS because their authentication costs are a fraction of what you would pay at PSA, JSA, or even SGC.
Thanks!