Harmon Killebrew "573 HR'S" Autographed Baseball (JSA)

Harmon Killebrew "573 HR'S" Autographed Baseball. Inscribed with "573 HR's" inscription. Signed in blue pen across the sweet spot of an officialAmerican LeagueGene Budig baseball. Authenticity is provided by James Spence Authentication and will be accompanied with a COA from JSA, Cert #JJ96393.