Star Wars posters are certainly more valuable than many other titles from the same years but they are unlikely to get to the $50,000 level of something like a Son of Frankenstein mentioned in post # 57. Why ? Scarcity. Posters from the early part of the century to the 1970's were used and...
He's taken high quality files of actual used posters offered for auction at Heritage Auctions and digitally cleaned them up.
(I used to have a photo of the condition of the 'Scram" poster in my avatar before Studio C worked their linebacking and restorative magic on it. It had been folded...
If you're suggesting that anything older than FORBIDDEN PLANET would automatically sell for even more, that's incorrect. Horror and Sci-fi are often the hottest poster collectibles, but there are literally thousands of great posters from 1920-1955 that could be purchased at auctions for well...