Sale 707 The Knapp Collection of Airmail Flights

China (People's Republic), 1980-90s, first flights, an exceptional and very extensive collection comprising over 600 items neatly assembled in 4 large Lindner binders, with each item identified by date, destination and carrier; the coverage and sheer number of flights is astounding, as are the number of carriers, which include CAAC; China Southern, Northern, Eastern, Northwestern and Southwestern Airlines; Oriental Airlines, China Air, Shanghai Air, China United, Xiamen Airlines, Sinkiang Airlines, etc.; good portion of an inventory included as well, Very Fine, examine, not easily duplicated.
Estimate $1,200 - 1,800.