Ireland: Airmail labels 3

Here are some old Irish airmail labels. These look very nice.

Year: 2.1923. Gummed. Günter Mair's catalogue no: - IRL-A-2, perforated 11, sheets of 84(6x14),
ref.: "P.25.", black/blue, 5*****

Year: 1928, Gummed. Günter Mair's catalogue no: - IRL-A-4, perforated 11, sheets of 84(6x14),
ref.: "M.P. 25", black/blue, 4****