Four balls apiece from the '77 and '78 seasons are stuffed full of highly sought after Yankee ink from the likes of Munson, Jackson, Berra, and Martin. 1) 1977 OAL (Mac Phail)-28 sigs. with Munson, Martin, Berra, Jackson, Randolph, and Rivers. Blue ballpoint, overall 8.5/10. 2) 1977 OAL (Mac Phail)-24 sigs. with Martin, Berra, Pinella, Randolph, and Rivers. Blue ballpoint, overall 8/10. 3) 1977 OAL (Mac Phail)-23 sigs. with Munson, Martin (secretarial), Berra, Jackson, Lyle, and Rivers. Blue ballpoint, overall 7/10. 4) Official League ball-1977 OAL (Mac Phail)-26 sigs. with Munson, Martin, Berra, Jackson, Lyle, and Cox. Black ballpoint, overall 6/10. 5) 1978 OAL (Mac Phail)-28 sigs. with Munson, Martin (secretarial) , Berra, Lyle, Randolph, and Rivers. Blue ballpoint, overall 7.5/10. 6) 1978 OAL (Mac Phail)-23 sigs. with Munson, Martin (secretarial) , Berra, Lyle, Randolph, and Guidry. Blue ballpoint, overall 7.5/10. 7) 1978 OAL (Mac Phail)-23 sigs. with Martin, Berra, Lyle, Randolph, and Guidry. Black ballpoint, overall 7.5/10. 8) 1978 OAL (Mac Phail)-23 sigs. with Munson, Martin (secretarial), Berra, Lyle, Pinella, and Guidry. Blue ballpoint, overall 7.5/10