Singapore Airlines 6,10,11

Singapore

6,10,11:

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

              6:                              ELAG 3,5 cm, Switzerland 1,9 cm, up

          10:                                                ELAG Switzerland, up              11:                               ELAG 3,5 cm, Switzerland 1,6 cm, up