Pete Rose Autographed First Day Cover 100th Anniversary Baseball Signed JSA MLB100th Anniversary of Baseball First Day Cover post marked June 12, 1939 in Cooperstown, New York. Autographed by baseballs hit king Pete Rose, authenticated by JSA 6. 5 x 3. 5 Authenticated by JSA, certification #EE75197 Excellent condition; autograph presents well with no fading or smudging, posted, some foxing, small tear on back, corner and edge wear Follow us on Instagram and Facebook (glorydayscollectibles) to keep yourself updated on our