TWA 2,5,11,12,13,18
in the left gusset: 2:
in the right gusset: 2,18: 
in the left gusset: 5,11,12,13,18:
in the right gusset: 5,12,13:
in the right gusset: 11:
TWA Trans World Air 2,5,11,12,13,18
USA
2:
- paper
- flat base with coversheet
- horizontal tab
- straight cut
- information in both gussets
5:
- glossy paper
- flat base
- thumbhole
- horizontal tab
- straight cut
- manufacturer in the right gusset
- information in both gussets
11:
- glossy paper
- flat base with coversheet
- horizontal tab
- straight cut
- manufacturer in the right gusset
- information in right gusset
12:
- glossy paper
- flat base
- thumbhole
- horizontal tab
- straight cut
- manufacturer in the right gusset
- information in both gussets
13:
- glossy paper
- flat base
- horizontal tab
- straight cut
- manufacturer in the right gusset
- information in both gussets
18:
- glossy paper
- flat base with cover sheet
- thumbhole
- horizontal tab
- zigzag cut
- information in both gussets
