This is a vintage postcard from 1924 featuring a lithograph print of the The Shamrock Motorboat captained by D.H. Haas in Alexandria Bay, New York. The postcard is part of the White Border era (1915-1930) and has a standard size of 5.5 x 3.5 inches. It was published by Hallam and Vesty and features a white border. The postcard was posted and has a tourism theme, showcasing the boat tours in the 1000 Islands region of North America. Based at Cornwall's Dock, it was also available for searchlight trips in the evenings.