Abstract: A photograph mailing postcard comprises a unitary rectangular card of paper material having top and bottom longitudinal edges, and opposite side edges, and front and back sides. The card has top and bottom sections respectively defined by a first line which extends between the side edges and parallel with the longitudinal edges. A cut is formed in the card along the first line from one side edge to a point spaced from the other side edge thus forming top and bottom connection portions of the sections defined by the other side edge, the longitudinal edges and a second line which extends between the longitudinal edges through the point on the first line and parallel with the other side edge, and top and bottom flap portions respectively joined to the connected portions along the second line. The bottom flap portion has a rectangular window therein covered by a sheet of transparent material adhered to the front side.