China Southern 5,49,57 ,65
China
Diagonal lines are NOT interupted crossing text „THIS….“:
5:
- paper
- pointy bottom
- tear off tab
- straight cut
- manufacturer in the right gusset:

65;
- paper
- pointy bottom
- tear off tab
- straight cut
- manufacturer in the right gusset:

other letter types in „THIS…“: W (tight), O (oval)