Offered is a rare dual-signed First Day Cover featuring Honus Wagner and Pie Traynor, postmarked June 12, 1939, the day of the Baseball Hall of Fame’s dedication in Cooperstown. Wagner, a charter inductee, and Traynor, later enshrined in 1948, are two of the greatest players in Pirates history. Signed in fountain pen and authenticated by PSA/DNA, this exceptional piece captures a unique moment in baseball history and is a prized addition to any Hall of Fame or vintage autograph collection.