Real-photo postcard with image of a man and a woman standing by the trout ponds in Star Prairie, St. Croix County, Wisconsin. Hand-written on front: By O.A.O. Printed on Azo paper with all four triangles pointing up (used 1904-1918). Unused.

Real-photo postcard with image of the trout ponds in Star Prairie, Wisconsin. Hand-written on front: By O.A.O. Printed on Azo paper with all four triangles pointing up (used 1904-1918). Unused.

Real-photo postcard with image of a small dam on a rushing Cedar Creek near Huntingdon, in St. Croix County, Wisconsin Date from postmark (it is difficult to make out): Aug 27, 1911, Star Prairie, Wisconsin Stamp has been removed; now visible that it was printed on Azo paper with all four triangles pointing up (used 1904-1918). Photographer's initials hand-written on front: O.A.O. Message: Addressed to [Mrs.?] A. Hunt, Rodman, Jeff. Co., U.U. "We are enjoing our trip and gaining. The air is fine. Hope you are well. Annie remailed your letter. Love - C.H.H."

Real-photo postcard with image of buildings and a pond at the trout fish hatchery in Star Prairie, St. Croix County, Wisconsin. Photographer's initials hand-written on front: O.A.O. Printed on Defender paper (this stamp box design used 1920-1945). Unused.

Real-photo postcard with image of the mill pond and the mills in Star Prairie, St. Croix County, Wisconsin. The still water reflects the mill buildings and trees. Photographer's initials hand-written on front: O.A.O. Printed on Defender paper (this stamp box design used 1920-1945). Unused.