Agricultural parcel post
This is a booklet of Nyasaland 1953.
The text says:
"Agricutural Parcel Post:
Nyasaland was a British protectorate in Africa. Shut in by Rhodesk Nord (nowadays Zambia) in the west, by Mozambique in the south and the east and by Lake Tanganika in the north.
Since 1954 Nyasaland is named Malawi.
by Jan de Crom
taken from "The Postal Bee" 2/2003
Contact Group Bee Philately