1939 Macao (15 Nov) to USA. Airmail cover, f.w. Portugal and San Gabriel ovpt. Aviao and Greek characters and Imperio Colonial Portugues
1939 Macao (15 Nov) to USA. Airmail cover, f.w. Portugal and San Gabriel ovpt. Aviao and Greek characters and Imperio Colonial Portugues airmail stamp x8, tied by Macau hexagonal d.s. Damaged at top left corner.1939.11.15 澳門寄美國。航空封，貼航海紀念碑加蓋Aviao及希臘文 + 大葡帝國航空票共8枚，銷澳門六角形日戳。封左上角有損。
