KLM Royal Dutch Airlines 4,5,21,22

KLM Royal Dutch Airlines 4
KLM Royal Dutch Airlines 4 back

KLM 4,5,21,22

Netherlands

 

 

4:

  • paper 
  • flat base 
  • zigzag cut
  • manufacturer in the gussets:

 

 

5,21,22:

           5,21: paper

              22: glossy paper

  • flat base with coversheet

               21: zigzag cut

           5,22: straight cut

KLM Royal Dutch Airlines 5,22
KLM Royal Dutch Airlines 21
KLM Royal Dutch Airlines 5,22 back
KLM Royal Dutch Airlines 21 back