On the stamp was the title '日韓通信業務合同紀念切手' (Commemoration of Japan-Korea Joint Communication Service) written from right to left as '紀念' (commemorative) was used in Japan at the time instead of currently used '記念'.
切手には「日韓通信業務合同紀念切手」と右書表記があるが、当時の日本では記念を紀念と表記していたことによる。