21 April 2005 World Heritage Sites Joint Issue with Australia, Norvic first day covers limited edition of 15 pairs
A set of 8 stamps showing UNESCO World Heritage Sites in Australia and the United Kingdom, in se-tenant pairs.
A$1.80 and 2nd class - Hadrian's Wall and Uluru-Kata Tjuta National Park
50c and 1st class - Stonehenge and Wet tropics of Queensland
50c and 47p - Blenheim Palace and Greater Blue Mountains
A$1 and 68p - Neolithic Orkney (Ring of Brodgar) - Purnululu National Park
British stamps cancelled with London postmark showing a Kangaroo on a map of Australia.
Australian stamps cancelled with the Sydney first day of issue postmark