Postcard showing a photo of the "Pearl" a steam excursion boat built by Riley Shafer in 1887 and operated by him until 1927, c. 1908 Caption on front: Str. "Pearl" Goguac Lake Written on back: Philip: How would you like to take a ride with me? Francis Sent to: Master Philip Barber Vermontville Michigan c/o E. D. Barber Sent on: July 31, 1908