Official’s badge issued for a pentathlon event at the 1964 Tokyo Summer Olympics. Gold-plated, 38 mm x 63 mm, 44 gm, with the beige-and-white striped ribbon measuring 76 mm in length. The badge features the rising sun of the Japanese national flag above a green bar with Olympic rings and a blue enamel bar identified as “Official.” Accompanied by its original white leather presentation box, which bears scattered toning and scuffing.