Siera Leone: Airmail labels 2

Here are some more labels from Siera Leone.

Year: 1937, Ungummed. Günter Mair's catalogue no: - SRL-A-8, imperforated,
black/light greenish blue, 4****

Year: 1937, Ungummed. Günter Mair's catalogue no: - SRL-A-7, imperforated, "PAR AVION": 19.5mm
black/light greenish blue, 4****

black/light greenish blue

black/light blue?

   
Year: 1945, Gummed. Günter Mair's catalogue no: - SRL-A-9, rouletted, sheets, blue/light blue, 4****