Hong Kong - Postal History. A small but valuable collection of Postal History 1921 to 1938. With many better items including 1937 crash cover from Flying Boat Cygnus ( recent sale noted for HK$2070), 1932 Experimental Flight Cover, 1936 Hong Kong to Penang Flight, 1937 HK to San Francisco , 1929 Shanghai British Army PO, 1921 Interport Mail Hong Kong to Shanghai , Outer from Gun Boat HMS Cicala, 1932 Hong Kong to France via Siberia and 1935 Jubilee FDC plus a few others. A superb small collection in fine condition ( 12 items )