1950s a group of 8 Macau FDC, including Centenary of Portuguese Stamps, 5th Centenary of Birth of Vasco da Gama, Congress of Tropical
1950s a group of 8 Macau FDC, including Centenary of Portuguese Stamps, 5th Centenary of Birth of Vasco da Gama, Congress of Tropical Medicine etc. 1950年代一組五件澳門首日封，包括葡國郵票一百週年、達伽馬誕辰五百週年、熱帶病醫學會議等。
