Roy and I have been collecting Roger Dean posters for a long time. Sometimes we have duplicates because we've bought upgrades and sometimes because we forgot we already owned some. I just listed some on ebay. They vary from NM to pretty bad (aka much loved). All of these except Demons and Wizards were published by Big O Posters in the 1970s.

Better quality:
Dragon and Tree (cover of Tales from Yesterday tribute CD)


Uriah Heep Demons and Wizards reprint


Much loved:
YesSongs Arrival

YesSongs Pathways

YesSongs Awakenings

Thanks for looking!