El Salvador: Airmail labels

Here is my first labels from El Salvador.

Year: 1962, Gummed. Günter Mair's catalogue no: - ESV-A-2, perforated H 11, V 10 ¾ , sheets,
blue or dark blue or greenish blue/white, 3***

Blue

Greenish blue (unlisted color)

Dark Blue (unlisted color)