Description:1957 Detroit baseball clinic auto. baseball w/Mel Ott. Clear coated and lightly toned J.C. Higgins model ball signed by (26) players incl. Ott, Kaline, Kuenn, and Throneberry. Sigs range from 6-9 out of 10 with a very bold Ott, includes LOA from James Spence PSA/DNA: EX