South Africa
Short Paid Aerogramme Diverted to Surface Mail

Aerogramme (Müller no. 48) sent from DURBAN (slogan cancel  5 IX 1967) to Port Richey, U.S.
 
The aerogramme rate to the U.S. was 10 c.
 
A bilingual handstamp in English and Afrikaans language was applied “Insufficiently Prepaid for Trans- / Mission by Air Mail” to indicate diversion to surface mail.


References
Müller stands for Müller/Wiegand, Katalog der Aerogramme von Afrika, 1995