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).