Singapore Airlines 1,15,17

Singapore

1:

• paper 
• flat base 
• tear off strip
• vertical tab
• straight cut
• manufacturer in the right gusset:

      Tear off strip: dk’blue

17:

• paper 
• flat base 
• tear off strip
• vertical tab
• zigzag cut
• manufacturer in the right gusset:

      Tear off strip: lt’blue

15:

• paper 
• flat base 
• tear off strip
• vertical tab

• zigzag cut
• manufacturer in the left gusset: