Commemorative stamp of Queen Victoria, although there are no special inscriptions on the stamps, and they were intended as regular stamps. In 1870 Peru issued a 5¢ scarlet Locomotive and Arms stamp and is regarded as the first commemorative postage stamp, issued to commemorate the 20th anniversary of the first railway in South America. Though the United Kingdom often set the precedent for postage stamps and their designs, they were the late runners with the issue of their first commemorative stamp, not issuing one until 1924 when it printed and released the British Empire Exhibition issue of 1924. Other premier commemorative stamps
Postage stamp demonetization 1901 (this agency would be disaggregated on 1 July 1975 in part into the Australian Postal Commission trading as Australia Post). All then-current colony stamps which continued on sale became de facto Commonwealth stamps. Some of these stamps continued to be used for some time following the introduction in 1913 of the Commonwealth's uniform postage stamp series. These stamps continued to be valid for postage until 14 February 1966 when the introduction of decimal currency made all stamps bearing the earlier currency invalid for use. In Hong Kong postage stamps have been demonetized only once, which happened because of the