Official Puerto Rican League baseball signed by 27 players from the San Juan Senadores. Only “team” baseball we can ever remember seeing with Roberto Clemente on the sweet spot. Among the players that signed are Jerry McNertney, James Gillman, Luis Arroyo (NYY), Gene Alley (Pirates), Felix Mantilla (Braves) and Bob Priddy (Pirates). Light toning with a few chips here and there. Signatures rate 8/10 in blue ballpoint pen.