Laos: Airmail labels

Here are the airmail labels from Laos. An incomplete sheet of 32 first airmail labels and a single one of later issue.

Year: approx.1960, Ungummed. Günter Mair's catalogue no: - LAO-A-1, perforated 11 ½ , sheets,
"Par Avion: 25mm", mine is 27mm(unlisted in catalog), black/dark grey-blue, 3***

Year: approx.1980, Ungummed. Günter Mair's catalogue no: - LAO-A-3, perforated 12 ½ , sheets, 
"Par Avion: 27mm", black/light greenish grey, 3***