1940s a group of 11 sets of Japanese occupied North China commemorative issues, including 4th Anniv of Return of Government, Return of
1940s a group of 11 sets of Japanese occupied North China commemorative issues, including 4th Anniv of Return of Government, Return of Concession, 4th Anniv of North China Political Council etc. All mint.1940年代一組11套日佔華北紀念票，包括還都四週年、友邦交還租界、華北政務委員會四週年等。均為新。
