BMI British Midland International 1,2,4,5,6

United Kingdom

1:

• paper 
• flat base
• identical printing on both sides
• zigzag cut
• manufacturer in the gussets:

5:

• paper 
• flat base
• identical printing on both sides
• zigzag cut

4:

• paper
  
• flat base
• nothing printed on back
• zigzag cut

6:

• glossy paper 
• flat base with horizontal folding
  
• nothing printed on back
• zigzag cut

2:

• paper 
• pointy bottom
• straight cut