Iran: Airmail labels 3

Today i received two more rare airmail labels from Iran.

Year: 1929, Gummed. Günter Mair's catalogue no: - IRN-A-3, perforated 11, sheets of 20(4x5), black/light grey-blue, 5*****

Year: approx.1930, Ungummed. Günter Mair's catalogue no: - IRN-A-4, imperforated, intended for official airmail, size: 75mmx108mm, black/light grey-blue  or cream, 5*****

black/cream(unlisted color)