3,4,5,6:

 Far East Jetfoil 3,4,5,6

Hongkong

 

 

3: glossy paper bag

flat base

tear off strip

vertical tab

manufacturer at bottom

straight cut

 

 

 
3:

 4: paper bag

flat base

tear off strip

vertical tab

manufacturer at bottom

straight cut

 

5: paper bag

flat base

tear off strip

vertical tab

no manufacturer

straight cut

 

6: glossy paper bag

flat base

tear off strip

vertical tab

manufacturer at bottom

straight cut