Thank you Danny for the postal stationery above sent from the City of Shanghai. The imprinted stamp illustrates the 2010 World Expo logo featuring the Chinese character 世, which means 'World' in Chinese, on a green background and a world map. The mascot of the Expo 2010, Haibao, is also present on this stamped envelope.
The postage was completed with the 4,20元 stamp from the Birds definitive series and with the 10分 stamp from the Protection of Our Planet definitive set.
Mailing date - August 2, 2011
Delivery date - August 23. 2011