Robert Siegel Galleries: Worldwide Stamps and Postal History, 1377, New York

China, Japanese Occupation of Kwangtung, $100.00 on $2.00 Yellow Orange

China, Japanese Occupation of North China, $10.00 Green, Unoverprinted

China, Hunan Province, 1c-$10.00 Parcel Post, Silver Yuan Surcharges

China, Taiwan Province, 30ca Blue, Third Issue, Perf 11½, Pair, One Sideways

China, Taiwan Province, $5,000 on $10.00 Blue, Postal Forgery

China, Shanghai, 1ca Blue, Laid Paper, Printing 30

China, Shanghai, 4ca Yellow, Wove Paper, Printing 44

China, Shanghai, 16ca Vermilion, Printing 31

China, Shanghai, 1ca on 6ca Slate

China, Shanghai, 1ca on 12ca Olive Gray, Blue Surcharge

China, Shanghai, 1c on Half of 2c Brown, Double Overprint, One Inverted

China, Treat Ports, Kewkiang, ½c Black on Rose, Double Impression

China, Treaty Ports, Kewkiang, ½c Black on Yellow

China, People's Republic, Northeast Provinces, $1.00 on $10.00 Green, Red Overprint Shifted

China, People's Republic, $400.00 Gymnastics

China, People's Republic, $800.00 October Revolution, Unissued Set

China, People's Republic, 4f-52f Chinese Peonies

China, People's Republic, 8f People's Liberation Army

China, People's Republic, $2.00 Science Souvenir Sheet

China, People's Republic, 8f Monkey

China, People's Republic, 8f Monkey

Colombia, 2c-10p Olympics

Colombia, 2c Knox Martin Air Post

Colombia, 2c Knox Martin Air Post, Numerals "1" With Serifs

Ecuador, 1938 Ecuador Exhibition, 1939 Golden Gate, and 1939 New York World's Fair, Specimen Overprints