21 April 2005 World Heritage Sites set Norvic first day cover limited edition of 20
A set of 8 stamps showing UNESCO World Heritage Sites in Australia and the United Kingdom, in se-tenant pairs.
2nd class - Hadrian's Wall and Uluru-Kata Tjuta National Park
1st class - Stonehenge and Wet tropics of Queensland
47p - Blenheim Palace and Greater Blue Mountains
68p - Neolithic Orkney (Ring of Brodgar) - Purnululu National Park
- Blenheim Palace