Air China 12,16,26,47
China
Chinese letters:

Note: Bags with fold line on back.
(bags without fold lines see eg. #8)
12,16,26,47:
- paper
- flat base
- tear off tab
- tab attached
- straight cut
12: WATERPROOF… letter type 1
26: WATERPROOF… letter type 2
16,47: WATERPROOF… letter type 3
47: different „R“-type in AIR CHINA