About: http://webisa.webdatacommons.org/104866173

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	- a 24-sheet poster (billboard size) would measure approx. 20???wide x9??? tall Subject matter, graphics, condition, rarity and desirability drive auction values for paper and cardboard signs same, as most other forms of advertising.
http://www.w3.org/ns/prov#wasQuotedFrom	antiqueauctionforum.com