6th National Athletic Meet Issued on October 27, 1951 (Showa 26) The Ministry of Posts and Telecommunications issued two types of stamps to commemorate the 6th National Athletic Meet. This 6th National Athletic Meet was held mainly in Hiroshima City, Hiroshima Prefecture. From this time, the number of stamps for the National Sports Festival has decreased from four to two. The stamps are designed for shot put and hockey.