US Air  1,2,4,5

USA

 

2,4,5:

paper bag

flat base

horizontal tab

manufacturer at the bottom

2,4:

5:

2,5: straight cut

4: zig zag cut

1:

paper bag

flat base

thumbhole

horizontal tab

zig zag cut

 

5:

paper bag

flat base

horizontal tab

manufacturer at the bottom

straight cut

2,4,5:

1: