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

Here is an interesting and rare label from Japan. A National airline (Nihon Koku Yuso Kabushiki Kaisha).

Japan Air Transport Corporation (日本航空輸送株式会社 Nihon Kōkū Yusō Kabushiki Kaisha) was the national airline of the Empire of Japan from 1928 to 1938. (Wikipedia)

Year: 1937, Gummed. Günter Mair's catalogue no: - JPN-B-5b, perforated 10, sheet of 240(15x16)
orange-red/white, 4****