the price of stamps last went up in 2016.
when did the price of stamps last go up?
2016
na
na
bullet::::2. singkiang air mail stamps overprinted on junk & reaper type issue, p. 529-530





















































bullet::::3. peking mukden air mail stamps, p. 531





















































bullet::::4. third air mail issue peking print, p. 532-533





















































bullet::::5. the fourth air mail stamps hongkong prints, p. 534-536





















































bullet::::6. surcharged air mail stamps with japanese currency, p. 537-538





















































bullet::::7. singkiang overprinted peking & hongkong print air mail stamps, p. 539-541





















































bullet::::8. national currency air mail stamps, p. 542-543





















































bullet::::9. dah tung print air mail stamp, p. 544





















































section::::first edition table of contents.:postage due stamps.





















































bullet::::1. postage due stamps, p. 545-568





















































section::::provenance.
ma's illustrated catalogue of the stamps of china