LOONGAIR 1,4,5,10

China

1,5:   „FOLD HERE PLEASE“ & lines on back

• paper 
• open gussets
• tear off strip
• straight cut
• manufacturer in the left gusset:

           1:        vertical

           5:        Tel: left/right lined, vertical

4,10:

• paper 
• open gussets
• tear off strip
• straight cut
• manufacturer in the left gusset:

              4:            vertical

           10:            vertical