Romania: Airmail labels 2

Here are some more of the Romanian airmail labels.

Year: 1929, Gummed. Günter Mair's catalogue no: - ROM-A-6a, perforated 11, sheets of 72(6x12),
similar to FRA-B34a, but "R" modified, blue or ultramarine or violet-blue/white, 3***

    






 Year: 1948, Gummed.  Günter Mair's catalogue no: - ROM-A-13, rouletted, sheets, size of labels varies
very much, "PRIN AVION" : 24mm, dark blue/white, 4****

Year: approx.1950, Gummed. Günter Mair's catalogue no: - ROM-A-14, rouletted, sheets, 
"PRIN AVION" : 20mm, dark blue/white, 4*****

  






Year: approx.1960, Gummed. Günter Mair's catalogue no: - ROM-A-17, perforated 13 ¼ , sheets,
similar to ROM-A-10, but lettering modified, light greenish blue/white, 3***