2,6,9:

• paper 
• flat base
• zigzag cut
• manufacturer on base:

          2:              ELAG  3,5 cm, up

          6:               ELAG 3,0 cm up, upside-down

          9                 up, upside-down

7,8:

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

                           ELAG  3,5cm, up

            8:                –>Switzerland<– 1,7cm (longer)