Bolivia: Airmail labels

Here is the first airmail label from Bolivia. Interesting that this labels is same design and size like Colombian label just in blue color. And Colombian labels are in green.

Year: 1930, Gummed. Günter Mair's catalogue no: - BLV-A-1, perforated H 12 ¾ , V 11 ¼ , sheets of
25(5x5), grey-blue/white, 4****

Bolivia: LAB airmail labels

Here are the old airline issue labels from LAB( Lloyd Aereo Boliviano), Bolivia.
                                                                                                       
Year: 1930, Gummed. Günter Mair's catalogue no: - BLV-B-1, imperforated, issued for first airmail flight La Paz  - Rio de Janeiro, 30.7.1930, black/red/yellow/green/white, 6******

Year: 1937, Gummed. Günter Mair's catalogue no: - BLV-B-2, perforated 10 ¾ , sheets, issued in cooperation with Sindicato Condor, dark blue/white, 5*****