Zambia Philately: Airmail Rates (1979)

Zone A
DateLettersAir LettersPost Cards2nd Class
Aug 197922n per 10g
Zone B
DateLettersAir LettersPost Cards2nd Class
Aug 197928n per 10g
Zone C
DateLettersAir LettersPost Cards2nd Class
Aug 197932n per 10g
Zone D
DateLettersAir LettersPost Cards2nd Class
Aug 197942n per 10g