¹/₄ pi

• Inland newspapers published locally

¹/₂ pi

• Inland postcard, printed papers, up to 4 oz
• Braille items, foreign, per 2 lbs
• (Letter, inland, per additional oz)
• (Printed paper/newspaper, foreign, per 2 oz - minimum 1 pi)

³/₄ pi

• Letter, inland, up to 1 oz

1 pi

• Postcard, empire
• Printed paper/newspaper, foreign, minimum rate
• (Letter, empire, per subsequent oz)
• (Small packet, foreign, per 2 oz - minimum 5 pi)
• (Extra for airmail to Palestine, Egypt, Rhodes or Athens)

1¹/₂ pi

• Letter, empire, up to 1 oz
• Postcard, foreign
• (Letter, foreign, per subsequent oz)

2 pi

• Postcard, “By air to London”, UK [inc. Eire] & empire
• By air postcard, Sudan, Greece [via Egypt] & Iraq, Persia “By air to Baghdad or Basra, Iraq”
• (By air [via Egypt], letter, Greece, per subsequent half oz)
• (Insurance fee, parcel, per subsequent extra £12 value)

2¹/₂ pi

• Letter, foreign, up to 1 oz
• By air [via London], postcard, foreign
• By air [via Palestine], postcard, Greece
• “By air to most convenient point”, postcard, Europe [except UK, Eire & Greece]
• By air postcard, Bahrein or “By air to Karachi”, India & Ceylon
• (“By air to London”, letter, empire & foreign, per subsequent half oz)
• (“By air to most convenient point”, letter, Europe [except UK, Eire & Greece], per subsequent half oz)
• (By air, letter, Greece [via Palestine], UK, Eire, Iraq, Sudan, per subsequent half oz)
• (“By air to Baghdad or Basra, Iraq”, letter, Persia, per subsequent half oz)
• (Registration or Recorded Delivery fee)

3 pi

• By air, postcard, Kenya, Uganda, Tanganyika & Zanzibar

3¹/₂ pi

• “By air to London”, letter, UK [inc. Eire] & empire [inc Sudan], first half oz
• By air postcard, Belgian Congo “By air to Aba”, India “By air to Calcutta”

4 pi

• By air letter, Greece [via Egypt], first half oz
• By air, postcard, India “By air to Karachi and in India”, Nyasaland “By air to Salisbury”, Rhodesia
• (By air letter, India “By air to Karachi and in India”, Ceylon “By air to Karachi”, Bahrein, per sub. half oz)

4¹/₂ pi

• By air to London, letter, foreign, first half oz
• “By air to most convenient point”, letter, Europe [except UK, Eire & Greece], first half oz
• By air, letter, Greece [via Palestine], Iraq, Persia, “By air to Baghdad or Basra, Iraq”, first half oz
• By air postcard, India “By air to Rangoon”
• (Insurance fee, parcel, up to £12 value)

5 pi

• By air, letter, Bahrein, India & Ceylon, “By air to Karachi”, first half oz
• By air, postcard, USA, “By air to London and in the United States of America”
• Small packet, foreign, minimum rate
• (Express fee)

5¹/₂ pi

• By air, postcard, Mauritius “By air to Salisbury”, Nyasaland “By air to Blantyre”, South Africa
• (By air letter, Belgian Congo “By air to Aba”, Kenya, Uganda, Tanganyika & Zanzibar, per sub. half oz)

6 pi

• By air, postcard, Madagascar & Portugese E. Africa “By air to Salisbury, Rhodesia”
• By air, postcard, [via Palestine], Malay States & Straits Settlements, “By air to Singapore”
• (By air letter, India “By air to Calcutta”, Ceylon, “By air to Karachi”, per subsequent half oz)

6¹/₂ pi

• By air, postcard, Hong Kong, N. Borneo, Brunei, Sarawak, “By air to Singapore”, Dutch E Indies [via Palestine]
• By air, postcard, French Indo-China, “By air to Bangkok, Siam”, Malay States, Straits Settlements, Siam [via Egypt]
• By air letter, Kenya, Uganda, Tanganyika & Zanzibar, first half oz

7 pi

• By air letter, India “By air to Calcutta”, first half oz
• By air, postcard, Philippines, China & Japan “By air to Singapore”
• (By air letter, India & Ceylon, “By air to Karachi and in India”, per subsequent half oz)

7¹/₂ pi

• By air letter, Belgian Congo “By air to Aba”, first half oz
• By air, postcard, China & [via Egypt] Dutch E Indies “By air to Singapore”
• (By air letter, Nyasaland “By air to Salisbury”, N. & S. Rhodesia, per subsequent half oz)

8 pi

• By air letter, India & Ceylon, “By air to Karachi and in India”, first half oz
• (By air letter, India “By air to Rangoon”, per subsequent half oz)
• (By air letter, USA “By air to London and in the United States of America”, per subsequent half oz)

8¹/₂ pi

• By air letter, Nyasaland “By air to Salisbury”, N. & S. Rhodesia, first half oz

9 pi

• By air letter, India “By air to Rangoon”, first half oz
• By air, postcard, New Zealand, Fiji, Papua, New Guinea, Solomon Islands “By air to Darwin”, Australia

9¹/₂ pi

• By air, postcard, New Caledonia “By air to Darwin”

10 pi

• By air letter, USA “By air to London and in the United States of America”, first half oz
• (By air letter, Nyasaland “By air to Blantyre”, South Africa, per subsequent half oz)
• (By air letter, Madagascar, Mauritius & Portugese E. Africa “By air to Salisbury, Rhodesia”, per subsequent half oz)

11 pi

• By air letter, Mauritius “By air to Salisbury, Rhodesia”, Nyasaland “By air to Blantyre”, first half oz
• (By air letter, Siam [via Egypt], French Indo-China, “By air to Bangkok, Siam”, per subsequent half oz)
• (By air letter, [via Palestine] Malay States, Straits Set. “By air to Singapore”, Dutch E Indies, per subsequent half oz)

12 pi

• By air letter, Madagascar & Portugese E. Africa “By air to Salisbury, Rhodesia”, first half oz
• By air letter, [via Palestine] Malay States, Straits Set. “By air to Singapore”, first half oz
• (By air letter, [via Egypt], Malay States, Straits Settlements, per subsequent half oz)
• (By air letter Brunei, China, Hong Kong, Japan, N. Borneo, Philippines, Sarawak, “By air to Singapore”, per sub. half oz)

13 pi

• By air letter, [via Egypt], Siam, Malay States, Straits Settlements, first half oz
• By air letter Brunei, Hong Kong, N. Borneo, Sarawak, “By air to Singapore”, first half oz
• By air letter, [via Palestine] Dutch E Indies, French Indo-China, “By air to Bangkok, Siam”, first half oz

13¹/₂ pi

• (By air letter, [via Egypt], Dutch E Indies,  “By air to Singapore”, per subsequent half oz)

14 pi

• By air letter China, Japan, Philippines, “By air to Singapore”, first half oz

15¹/₂ pi

• By air letter, [via Egypt], Dutch E Indies,  “By air to Singapore”, first half oz

17 pi

• (By air, letter, NZ, Fiji, Papua, N Guinea, N Caledonia, Solomon Is. “By air to Darwin”, Australia, per subsequent half oz)

18 pi

• By air, letter, New Zealand, Fiji, Papua, New Guinea, Solomon Islands. “By air to Darwin”, Australia, first half oz

19 pi

• By air, letter, New Caledonia, “By air to Darwin”, first half oz