21 April 2005 - Pacific Explorer Generic Smilers Single on World Stamp Expo Official covers, believed to be exclusive to us.
Following the sheet issued for Hong Kong Expo 2004, Royal Mail produced a similar sheet for the Sydney Pacific Explorer 2005 World Stamp Expo.
The sheet contains 18 different labels and a welcome in the top margin.
This is a set of 5 covers each with 4 stamps on the World Stamp Expo official covers, for the complete sheet of labels.
All have the same postmark Captain Cook Voyage of Discovery to Australia, Whitby, N Yorks.
Only 5 sets produced, only 1 set in stock.