in Dreamcast, Interesting Auctions Sonic The Hedgehog Dreamcast Postcard Set by Link July 26, 2007, 9:28 pm Check out these Sonic The Hedgehog Postcards. Japanese only promo item, available back in 1999 when Sonic Adventure 1 was released on the Dreamcast. One for each of the main characters: Sonic, Tails, Knuckles, Amy, Big, E102, and Dr Eggman/Robotnik. Share this:TweetShare on Tumblr Related See more Previous article Atari 2600 and 5200 Protos Next article More (Almost) Complete NES Collections Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.