Switzerland: Airmail labels

Some newer labels from Switzerland. A full strip of 20 and slighly bigger ones strip of 5, incompliete (i believe it should be 10 as most of Swiss labels).

Year: 5.2008, Ungummed. Günter Mair's catalogue no: - SWI-A-?, rouletted H, vertical strips of 20,

ref.: 237.12 (100242) 05.2008 PM, dark blue/white.

Year: 5.2008, Gummed. Günter Mair's catalogue no: - SWI-A-?, rouletted H, vertical strips of 10,
ref.: 237.07 (124320) 05.2008 500 000 x 10PM, dark blue/white.