Norway: Prioritaire

Prioritaire/Par Avion labels from Norway. These are from a pad. 

Year: 2010, Self-adhesive.

South Africa: Airmail

These labels come in strips of 10.

Year: approx. 1978, 
RSA-A-14b

Lesotho: Airmail

Labels from Lesotho. The interesting thing with this sheet is that there are two different designs. Either the label starts with 'By air mail' or 'Ka sefofane' (by plane)

Year: approx. 1975
LES-A-3. LES-A-4

Germany: Airmail

According to the Airmail labels catalog these were

"Issued by C.Ziesing, a stamp dealer at Karl-Marx-Stadt for the 'Esperanto-Gruppe im Deutschen Kulturbund"

There were two issued and apparently one was a misprint. 

Year: 1969, gummed.
GDR-C-4, misprint, aerposta

Year: 1969, gummed.
GDR-C-5

Great Britain: Airmail

Label used for mail bundles for official use. There exists other labels with other destinations. 

Year: Approx. 1946-1955, Gummed.
GBR-A-20

Sweden: Airmail

Old Swedish airmail label. This was used for bundles. 

Year: 1953, Gummed.

Israel: Airmail

Older labels from Israel. They come in strips of 10.

Year: approx. 1980, gummed.
ISR-A-3