KLM 28,29,30,31

Netherlands

28:

• paper 
• pointy bottom
• straight cut

      white stripe on base

29,31:

          29: paper

          31: glossy paper

• pointy bottom
• straight cut

• in the right gusset:

      white stripe on base

30:

• glossy paper

• pointy bottom
• straight cut
• in the right gusset: