Original Type I photograph of Herb Pennock as a member of the Philadelphia Athletics. Pennock is pictured warming up on the sideline prior to a game. A Brown Brothers credit stamp appears on the reverse, along with Pennock's last name written in pencil. Pennock's last name was engraved along the bottom border of the negative and it appears as white lettering on the developed print. Pennock made his Major League debut with the A's in 1912 and remained with the club through the 1915 season, making this an early Pennock image. The photo (3.25x5.5") remains in Excellent condition. Culled from the legendary Brown Brothers Photo Archive. PSA encapsulated as Type I Authentic.