Collection of 29 postcards related to professional baseball during the 1910's, with most providing ballpark views. Several tougher cards and rarities are included in this collection, including a seldom seen West Side Grounds postcard and Polo Grounds postcard variation with airplane overhead. Collection also includes several colorful cards depicting the Palace of the Fans, a nice grouping of exterior Shibe Park postcards and another showing Columbia Park, home to the Athletics prior to Shibe. All but nine of the presented cards appear to have writing on reverse or have been postally used. 29 postcards total.