I believe that this originally came in the Science Fantasy Film Classics magazine. The item “Vintage Original 1977 Star Wars Film Poster Michael Stein Groovy SciFi Fantasy” is in sale since Saturday, February 23, 2019. This item is in the category “Entertainment Memorabilia\Movie Memorabilia\Posters\Originals-United States\1970-79″. The seller is “scared_of_storms” and is located in York, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Barbados, Cayman islands, Luxembourg, Macao, Uruguay, Russian federation.