Hong Kong: Airmail labels

Here are some of airmail labels from Hong Kong.

Year: 1946, Ungummed.  Günter Mair's catalogue no: - HKG-A-6, rouletted (wide and/or 
narrow steps), sheets of 100(5x20), "BY AIR MAIL": 31mm; "PAR AVION": 21mm, dark grey-blue/white, 2**

Year: approx.1970, Gummed. Günter Mair's catalogue no: - HKG-A-8, rouletted, sheets, 
"PAR AVION" : 17mm, dark grey-blue/white, 1*

Year: approx.1975, Gummed.  Günter Mair's catalogue no: - HKG-A-9, rouletted, sheets,lettering 
modified "PAR AVION" : 15mm, blue/white, 1*








Year: approx.1975, Gummed.  Günter Mair's catalogue no: - HKG-A-9, rouletted, sheets,lettering 
modified "PAR AVION" : 15mm, dark blue/white, 1*