Potomac Edison Reduced Ticket Book with last two fares intact

This is a Potomac Edison Commuter Reduced Rate ticket book provided 10 fares between Frederick and Thurmont which expired on September 30, 1953 and cost a total of $2.80.  The book would contain 9 pink tickets each punched and stamped the same as the cover and numbered 1-9.

The motorman would tear tickets from the book on each trip, and then collect the cover as the 10th fare.