Swissair 9,10,11

Switzerland

9,10:

• paper 
• flat base
• vertical tab
• zigzag cut
• on base:

            9:                                           down

          10:                                           up, upside-down

11: printing upside- down

• paper 

• flat base
• vertical tab
• zigzag cut
• on base:

                                                           up, upside-down

• manufacturer on base:

                                                                         small, upside-down