1939 Macau airmail stamp ovpt. “Exposicao Internacional Nova York” 50a, with inverted ovpt variety (Yang U2b). MNH with a toning spot
1939 Macau airmail stamp ovpt. “Exposicao Internacional Nova York” 50a, with inverted ovpt variety (Yang U2b). MNH with a toning spot on reverse. With RPSL COA.1939年澳門大葡帝國航空票5毫加蓋“紐約世界博覽會”新，帶加蓋倒蓋變異（楊目U2b），原膠無貼，背面帶一小黃點。附皇家郵學會證書。
Macao Airmail stamps
Lot 1778
16,000HKD
Live
1939 Macau airmail stamp ovpt. “Exposicao Internacional Nova York” 50a, with double ovpt variety (Yang U2a). MNH with original gum.
1939 Macau airmail stamp ovpt. “Exposicao Internacional Nova York” 50a, with double ovpt variety (Yang U2a). MNH with original gum. With philatelist name seals on reverse.1939年澳門大葡帝國航空票5毫加蓋“紐約世界博覽會”新，帶加蓋複蓋變異（楊目U2a），原膠無貼。背面帶集郵家名字章。
