11:

United Airlines 8,10,11,12,13,15,17,18

U.S.A

 

paper bag

11,12,15,17,18: flat base

8,10,13: flat base with coversheet

horizontal tab

12,17,18: manufacturer at bottom:

15: manufacturer at bottom

15,17,18: thumbhole

8,12,13,15,17,18:straight cut

10,11: zig zag cut

 

8,17:                                                                      10:                                                           
12:                                                                   13:

15: