Both are Official National League (Giles) baseballs. The 1952 ball is signed by 29 players including Stan Musial, Haddix, Enos Slaughter, Moore, Schoendiesnt, MIzell, Breechen and more. It grades EX+ and the signatures average 7/10. The 1955 ball is signed by 25 players including Stan Musial, Ken Boyer, Schoendienst, Haddix, Walker, Virdon and more. It grades EX with a stain on one panel while the signatures average 7.5/10. LOA.