Switzerland: Full strips of armail labels 2

Here are complete strips of 10 airmail labels from Switzerland.

Year: 5.1938, Gummed. Günter Mair's catalogue no: - SWI-A-23, rouletted H, V strips of 10, 
ref.: "No.532.-V.38.300,000x10.Format D 9/2 (17x48).", further dates: 4.1939(400,000); 5.1942
(400,000), dark blue/white, 3***

4.1939

5.1942

Year: 6.1944, Gummed. Günter Mair's catalogue no: - SWI-A-24a, perforated H 11 ¼ , V strips of 10, ref.: "No.532.-VI.44. 400,000x10. Format ½ D 9 (48x17).", grey-ultramarine/white, 2**

Year: 5.1946, Gummed. Günter Mair's catalogue no: - SWI-A-24b, perforated H 13 or 11 ¼ (unlisted), V strips of 10, ref.: "No.532.-V.46. 800,000x10. Format ½ D 9 (48x17).", grey-blue(unlisted) or ultramarine/white, 3***

perforated 11 ¼, grey-blue

perforated 11 ¼, ulramarine