Macao Post will participate the “London 2010 International Stamp Exhibition”, located at London, England, during 8th to 15th May 2010. To commemorate this Exhibition, Macao Post issues the commemorative envelopes and provides the commemorative postmark cancellation service on site of the exhibition. Be convenience to the philatelist, the commemorative envelope with stamp priced at MOP4.00 will also be available for sale at the Philately Shop of Macao Post Headquarters starting from 8th May. You may send your registered mail of this commemorative envelope at the following locations *: Philately Shop at Macao Post Headquarters: 8th May 9:00 – 17:30 Post Offices: 8th to 15th May Office Hours to Public * No commemorative postmark cancellation service will be provided in Macao.