Al Campanis, Ben Chapman & Clyde Sukeforth Autographed April 15, 1987 First Day Cover (JSA)

Al Campanis, Ben Chapman & Clyde Sukeforth Autographed April 15, 1987 First Day Cover. Signed in blue pen across the front of the first day cover. Authenticity is provided by James Spence Authentication and will be accompanied with a COA from JSA, Cert #II27201.