STAMP AND METHOD FOR MANUFACTURING THE STAMP

PROBLEM TO BE SOLVED: To provide a stamp capable of forming a seal impression made of different kinds of ink at a time, and a method for manufacturing the same.SOLUTION: A dot stamp 1 includes: a first printing plate body 9A permeated with ink readable by a reading device; and a second printing plate body 9B permeated with ink unreadable by the reading device. A printing plate surface 90A of the first printing plate body 9A is formed with a coded pattern, and a printing plate surface 90B of the second printing plate body 9B is formed with a sign which means the above coded pattern. The printing plate surface 90A of the first printing plate body 9A and the printing plate surface 90B of the second printing plate body 9B are held in a state of the same level.