Japan: Japan Air Transport Co., Ltd. airmail labels 2

Here are few more airmail labels issued by Japan Air Transport Co., Ltd.

Year: 1928, Gummed. Günter Mair's catalogue no: - JPN-B-1a, rouletted vertical, booklets with 20 H
strips of 5, grey-blue/red/white, 5*****

Year: 1929, Gummed. Günter Mair's catalogue no: - JPN-B-1b, rouletted vertical, booklets with 1 H strip of 20, greenish grey-blue/orange-red/white, 4****

Year: 1932, Ungummed. Günter Mair's catalogue no: - JPN-B-2a, imperforated, booklets with 2 V strips of 6, dark blue/red/white, reverse: red, 5*****

Year: 1935, Gummed. Günter Mair's catalogue no: - JPN-B-5a, perforated H 11 ¼ , V 10 ¼ , booklets
with 1 sheet of 50(10x5), orange-red/white, 5*****