Netherlands Indies: Airmail labels 2

Here are few more airmail labels from Netherlands Indies.

Year: 1930, Ungummed. Günter Mair's catalogue no: - NEI-A-1, perforated 11 ½ or 11 ¾ , sheets of
95(5x19), ref.: "AV 5", dark blue/white, 3***

11 ½

Year: approx.1940, Gummed. Günter Mair's catalogue no: - NEI-A-4, perforated 11 ¼ , sheets,
ref.: "AV II", blue or dark blue/white, 4****