Singapore Airlines 4,5,12,20

Singapore

4,5,12,20:

• glossy paper 
• flat base 
• vertical tab
• zig zag  cut
• manufacturer on base:

            4:                                ELAG 3,5 cm, down

            5:                                ELAG 3,5 cm, up

          20:                                 ELAG 3,5 cm, Suisse, up

          12:                                down