poster

The rolled up item form of a poster

In order to create one of these for a specific poster, you must pass the structure form of the poster as an argument to /new(). This structure then gets moved into the contents of the item where it will stay until the poster is placed by a player. The structure form is obj/structure/sign/poster and that's where all the specific posters are defined. If you just want a random poster, see /obj/item/poster/random_official or /obj/item/poster/random_contraband