1956-57 Baltimore Orioles team signed baseball quartet with rookie Brooks Robinson signature. Included in the lot are three 1956 team signed baseballs that have "Baltimore Orioles" stamped on the sweet spot in black ink. The 1956 balls each have 19 signatures. Autographs include, Paul Richards, Dick Williams, Tito Francona, Johnny Schmitz, Bill Wright, Billy Gardner, Gus Triandos, and others. The 1957 Orioles signed an Official American League (Harridge) ball. The ball is in excellent condition and is signed by 32 players, including Brooks Robinson's rookie-era signature. Other notable signatures include Milt Pappas, Hoyt Wilhelm, Bob Hale, Paul Richards, Bob Boyd and others.