China, People's Republic: 2 sheets of airmail labels

Well..here are two full sheets of airmail labels from China. Each sheet has a 65 labels. No gum or perforation.

Year: ?, Ungummed. Günter Mair's catalogue no: - CPR-A-?, imperforated (black lines), sheets of 65(5x13), black/greenish blue, label in upper left position comes with ref.: Chinese letter + "1116", 3***
 




















Year: ?, Ungummed. Günter Mair's catalogue no: - CPR-A-?, imperforated (black lines), sheets of 65(5x13), black/violet, label in upper left position comes with ref.: Chinese letter + "1116", 3***