This collection features Mann s cover work and variant pieces including popular and favourite DC characters that shouldn t to be missed. Collects Clay Mann s DC cover portfolio for titles including Batman, Heroes in Crisis, Action Comics and more. DC Spotlights top cover artists with the Poster Portfolio series, featuring Clay Mann! Printed on heavy card stock paper at a big 12 by 16 inches, the pages of the Poster Portfolio are easily pulled out and are suitable for framing.