Authoritytgm008104
https://www.loc.gov/pictures/collection/tgm/item/tgm008104
tgm008104Scope NoteSingle or multi-sheet notices made to attract attention to events, activities, causes, goods, or services; also, purely decorative posters. For posting, usually in a public place; chiefly pictorial. Intended to make an immediate impression from a distance.
