1977 Topps period signed partial set includes: Ryan, Ryan #234, Sutter RC, Dawson RC, Yount, Brett (4, #1, #231, #580, #631) Carter, Murphy RC, Schmidt, Blyleven, Sutton, Niekro, Perez, Fisk, D. Williams (team), Concepcion, Eckersley, LaSorda (team), Torre, S. Anderson (4), Garvey, Winfield, Gossage, Lynn, McGraw, Murcer, K. Hernandez, Buckner and others. There are many team cards that have multiple signers (ex: Five Yankee team cards with five different signatures) and many rookies signed by each player (ex: Four of the same card with one signature on each) Period signatures, mostly in pen with some in marker. Possible 3% secretarial.