Artist signed stamps are mint examples of duck stamps autographed by the artist responsible for the artwork on the stamp. Such stamps are rapidly gaining popularity with collectors, and most can be purchased for a small premium over mint examples. Early federal stamps are particularly valuable and difficult to acquire. Signed stamps by artists now deceased also command a substantial premium. Remarqued stamps are quickly gaining in popularity with a worldwide audience. Original art on the actual stamp is seen as adding a spectacular flair to collections, making each stamp unique. These are very special, one-of-kind stamps on which an artist has personally drawn or painted a dog, decoy, lighthouse and/or duck.