Ethiopia: Airmail labels 2

More airmail labels from Ethiopia.

Year: 6.1931, Gummed. Günter Mair's catalogue no: - ETH-A-4, perforated 11 ½ , sheets of 10(2x5
pairs of ETH-A-4 and ETH-A-5), black/grey-blue, 4****

 







Year: 6.1931, Gummed. Günter Mair's catalogue no: - ETH-A-5, perforated 11 ½ , sheets of 10(2x5
pairs of ETH-A-4 and ETH-A-5), black/grey-blue, 4****

Year: approx.1970, Gummed. Günter Mair's catalogue no: - ETH-A-10a, rouletted (wide steps), sheets of 50(5x10), thin paper, black-blue or violet-blue or dark blue or blue/white, 3***

Year: approx.1970, Gummed. Günter Mair's catalogue no: - ETH-A-10b, rouletted (wide steps), sheets of 50(5x10), thin paper, violet-blue/light pink, 3***