1965 Detroit Tigers Team Signed Baseball – Brigandi Coins & Collectibles
1948 New York Giants Team Signed Baseball. JSA – Brigandi Coins & Collectibles
A look at the baseball cards of Jackie Robinson and 15 black pioneers who followed his path - Sports Collectors Digest
willie Mays Values - MAVIN
How to figure out the signature on a baseball - Quora
1987 STL Cardinals Team Signed N.L. Champs Baseball. PSA – Brigandi Coins & Collectibles
2012 New York Giants Team-Signed Football - Memorabilia Expert
Baseball Autographs- Sports Card and Sports Memorabilia Auctions
Rare, unopened 1948 Leaf Baseball pack among high-end vintage lots in Memory Lane Spring auction - Sports Collectors Digest
willie Mays Values - MAVIN