1930s a group of 4 Hong Kong FFC and airmail covers, including 1936 (27 Mar) Imperial Airway “Hong Kong-Penang-London” FFC, 1937 (29
1930s a group of 4 Hong Kong FFC and airmail covers, including 1936 (27 Mar) Imperial Airway “Hong Kong-Penang-London” FFC, 1937 (29 Apr) Pan American Airways “Hong Kong-San Francisco” FFC, and two commercially used airmail covers f.w. KGVI $3 single and KGV, KGVI combination franking 30c, 50c and $2 respectively. 1930年代一組四件香港首航封及航空封，包括1936.3.27帝國航空“香港-檳城-倫敦”、1937.4.29 泛美航空“香港-三藩市”首航封及兩件航空封，分別貼佐治五世3元單枚及混貼佐治五世及六世3角、5角及2元。
