Brand campaign. (Spec work.)
Posters and cross track posters.
Chas Bayfield recently singled it out on Linkedin:
https://www.linkedin.com/feed/update/urn:li:activity:6710164561460256768/?commentUrn=urn%3Ali%3Acomment%3A(activity%3A6710126381168136192%2C6710164530086862848)