Real-photo postcard with photographic image taken of a design that includes three small photographic images of (top left): St. Croix River, Interstate Park; (top right): St. Croix River, Interstate Park; and (bottom right): State Fish Hatchery, St. Croix Falls, Wisconsin Bottom left of the postcard includes a hand-drawn/painted image of a bridge over a creek with the words: Design ©1923, CO-MO. Printed on DOPS paper (used 1925-1942). Unused.