China Southern 4,10,11,19,30,63,66

China

4,66:

            4: paper

          66: glossy paper

• pointy bottom
• tear off tab
• straight cut
• manufacturer in the right gusset:

63:

• paper
• pointy bottom
• tear off tab
• straight cut
• manufacturer in the right gusset:

30:

• paper
• pointy bottom
• tear off tab
• identical print on both sides
• straight cut
• manufacturer in the left gusset: