The coins were issued to mark the 60th year of Hirohito's reign.
Stamps were issued to mark the payment of this service.
In 1970 a coin was issued to mark Expo 70 in Osaka.
Stamps have been issued since 1991 to mark important events in the war.
Stamps have been issued in each of the last four years to mark important events in the war.
For the first time there was television coverage, and special coins were issued to mark the event.
The next set, issued in 1982 to mark the 25th anniversary of Scott Base, consisted of 5c, 10c, 20c, 30c, 40c and 50c stamps.
The following year a commemorative postage stamp was issued to mark the 75th anniversary.
The third series of coins were announced on 25 July 2011, first being issued as commemorative coins to mark their release in early 2012.
An official Communiqué was issued to mark the occasion.