Cuba: Cubana airmail labels 2

Here are more labels from Cubana airlines.

Year: 1953, Gummed. Gummed. Günter Mair's catalogue no: - CUB-B-3, rouletted H, VL
booklets with 5 sheets of 5(1x5), violet-blue or blue/red or orange-red/white, 3***

Year: 1.7.1931, Gummed. Günter Mair's catalogue no: - CUB-B-1a, imperforated, arrow shape,
dark blue/red/white, 4****

Year: approx.1962, Gummed. Günter Mair's catalogue no: - CUB-B-7, rouletted H, VL, booklets, 
blue/carmine/white, 3***