Vintage The Dunwich Horror Movie Advertising Poster 1970 Sandra Dee. Collectible horror movie poster. We are committed to providing exceptional customer service, we will answer any questions you may have about our products as quickly as possible. We take care in taking photos to show condition, writing condition descriptions to best of our ability. If you feel we have missed something or your item arrives damaged from transit, please communicate with us and we will get it worked out to your satisfaction. Powered by SixBit’s eCommerce Solution.