There is a Sandy Koufax ball on ebay;
http://www.ebay.com/itm/121077841072...84.m1423.l2649
but, the authentication number does not come up on the PSA site. I contacted the seller to see when he sent it for authentication but he had no idea. I personally don't like the autograph. What is the opinion here on it. He did not want me to post this when I offered.