article_snippet: It is a controversial piece of poster history
article_snippet: but We do not endorse It,' the profile later said after removing a post promoting the Powerful Posters exhibition.
article_snippet: While such a price may indicate such a price historic value and iconic status, many on Twitter felt such a price had no place as a promotional tool for the exhibit in which such a price features at the respected venue.
article_snippet: I think it's a great poster, is of it time in history.'