27,28,29:

Alitalia 27,28,29

Italy

 

27:

paper bag

flat base, Xamamina

vertical tab

zig zag cut 

 

28:

glossy paper bag

flat base

vertical tab

zig zag cut 

 

29:

paper bag

flat base

vertical tab

zig zag cut 

 

27:

28,29: