Photo View Postcard. Multi. Cardstock. This glossy photo card is titled, 101 Horses Reign at Mackinac Island, Michigan. It shows a carriage and team of horse, cruise liners and a seaplane. Benjamins Photo Art Service, Mackinac Island, Mich. Genuine Curteich-Chicago "C. T. Photochrom" Post Card (Reg. U. S. Pat. Off.). Unused.