Lot 1633

1940s a group of 4 Hong Kong airmail covers, all f.w. KGVI issues. One cover applied with scarce Proud type AM18 "BY AIR TO OFFICE OF EXCHANGE ONLY" cachet.

1940年代一組四件香港航空封，均貼佐治六世票。當中一件鈐少見之Proud AM18型“BY AIR TO OFFICE OF EXCHANGE ONLY”指示橫戳。