United Airlines 8,10,11,12,13,15,17,18
United Airlines 8,10,11,12,13,15,17,18
USA
„CLOSE……SICKNESS“ – 4 lines:
15,18:
- paper
- flat base with special fold
- horizontal tab
- thumbhole
- straight cut
- manufacturer on base:
15: upside-down
18: upside-down 
„CLOSE……SICKNESS“ – 5 lines:
11:
- paper
- flat base
- horizontal tab
- zigzag cut
12,17:
- paper
- flat base with special fold
- horizontal tab
- zigzag cut
- manufacturer on base:
upside-down
17: thumbhole
8,10:
- paper
- flat base with coversheet
- horizontal tab
8: straight cut
10: zigzag cut
13:
- paper
- flat base with coversheet
- horizontal tab
- straight cut
Round „R“ letter type
