Germany: Airmail labels

Her are some older labels from Germay.

Year: 1927, Gummed. Günter Mair's catalogue no: - GER-A-8, perforated 11 ½ , sheets of 32(4x8),
"PAR AVION": 21mm, issued at Munich for Bavaria, black/Yeallow, 5*****

Year: 10.1934, Gummed. Günter Mair's catalogue no: - GER-A-18, perforated 10 ¾ , sheets of 20(4x5) "PAR AVION": 19mm, ref.: "619"; "10.1934", futher dates are: 6.35; 9.35; 11.37 "Luft Nr.1", issued at Munich for Bavaria, blue or dark greenish blue or grey-blue or bright blue/white, 4****

Year: 1936, Gummed. Günter Mair's catalogue no: - GER-A-19, perforated 10 ¾ , sheets of 
20(4x5) "PAR AVION": 21mm, watermarks, "O" modified, dark blue/white, 4****

Year: 1944, Gummed. Günter Mair's catalogue no: - GER-A-21, perforated 13, sheets of 20(4x5)
 "PAR AVION": 20.5mm, thin paper, ultramarine or blue or grey-blue or dark grey-blue/white, 3***

Year: 3.1940, Gummed. Günter Mair's catalogue no: - GER-C-33, imperforated, issued for mail 
by first flight Berlin-Stavanger, 1.4.1940, light blue/white, 5*****