To provide a super high-quality silver salt print on the surface while permitting printing on the backside, using silver salt paper to permit description of more information and inducement by IT utilizing the Internet without increasing card unit price, within limited card area, and without deteriorating design.

The description content is edited and prepared as photograph data. The data are not altered by an application of a manufacturing machine and the solid data are used. The silver salt paper uses paper having white backside or not deteriorating card image. The size permits printing on the backside. A high-speed laser printer is used for the backside printing.