British Guyana: Post-independence Use of 1960 Aerogramme

British Guyana 6 cents aerogramme NGK#11, issued 1960, commercially used in 1971 post-indepedence, uprated with a cut-out from another aerogramme and a 3 cents Guyana stamp to pay the 15 cents aerogramme rate at the time of posting.

Printed letterhead of the Geological Survey Department on the writing panel.

Ceylon: Short Paid Aerogramme to Canada 1959

Ceylon 40 cents aerogramme uprated with a 10 cents stamp and sent from Kandy (9 11 59) to Vancouver, Canada.

The aerogramme was taxed 13 UPU ctms short paid and attracted a 4 cents postage due in Canada.
At the time of posting, the aerogramme rate to Canada was 60 cents. Double the deficiency (20 cents) was converted to UPU ctms at 10 cents = 6.5 UPU ctms.

Upon arrival in Canada, the 4 cents postage due was calculated based on a conversion rate of 1 cent = 3 UPU ctms.

Boxed “4 cents due” handstamp in red and a 4 cents postage due stamp added.

South Africa: Aerogramme containing an enclosure

Sent from Cape Town (25 VI 1971) to Detmold, Germany, the aerogramme contained an enclosure. Boxed bilingual instructional handstamp „Contrary to Regulations“.

As an air mail letter, the item was short paid 10c, which was endorsed below the indicium. The item was returned to the sender who paid the missing 10c at the post office (red “Postage paid” handstamp).

Tonga: 1949 Air Mail Letter Card

Tonga Air Mail Letter Card sent from Nuku'alofa (27 JL 49) to Auckland, New Zealand. Franked at the 3d rate.

Swaziland: 1953 Aerogramme Franked at Air Mail Letter Rate

This is NGK #14 sent from Mbabane (29 AUG 53)  to Australia. Interestingly, the stamps on the back panel were cancelled at Mbabane, the capital of Swaziland, whereas the stamps on the front panel were all cancelled at Johannesburg (31 VIII 53). 

Franked at 2s 6d air mail letter rate, because the aerogramme most likely contained an enclosure.

Pakistan: Underpaid Aerogramme, Missing Postage Collected from Sender

Franked at 50 Paisa and sent to Milwaukee (Wisconsin), US, on 17 NOV 1970.

At the time of posting, the aerogramme rate to the US was 60 Paisa. The missing 10 Paisa were collected from the sender.

Instruction handstamp „Underpaid / Return … / Please Affix / … Paisa / Stamp More“, manually endorsed "10" (Paisa).

UK: 1960 Aerogramme Form Taxed and Diverted to Surface Mail

Franked at 3d and sent to Farmington (Connecticut), US, from Peckham (25 FEB 1960).

At the time of posting, the aerogramme rate was 6d. Hence, only 50 % of the required rate were paid. According to the UPU rules, the air letter was treated as an ordinary letter, for which the rate would have been 6d up to 1oz.

Country of origin: Octagonal „T“ handstamp, endorsed „21c“. 6d double deficiency converted into UPU centimes at a rate of 1d = 3.5 UPU centimes.

Country of destination: Postage due handstamp „Due 7 cents“ applied in the US. Postage due converted at a rate of 3 UPU centimes = 1 cent.

1957 Ottawa UPU Convention: „Items of air-mail correspondence on which the charges paid do not represent at least the amount of the air surcharge or, as the case may be, 75 per cent of the air surcharge or the combined charge, are treated in accordance with Articles 52 and 55 of the Convention.“ (Provisions Concerning Air Mails, Article 6)