Hoffmann's photographs were published as postage stamps, postcards, posters and picture books. The framed photographs, postcards, and posters are for sale. There are large collections of prints, photographs, postcards, and maps. Posters, postcards, and song booklets of the film adorned shops. Some of those photographs were published and sold as postcards. Registered Mail may include letters, postcards and printed matter. The pictures were printed and sold as postcards in Waco. Spectators sold one another souvenirs including postcards. Babylonian images periodically appear on Iraqi postcards and stamps. The 2011 book "Back to the Wild" compiles photographs, postcards and journal entries by McCandless. The mail or post is a system for physically transporting postcards, letters, and parcels. It has been featured on T-shirts, postcards, and other memorabilia. Rates for other mail, including postcards and packages, also increased. Internationally, 100,000 commemorative postcards, featuring an illustration by Eppo Doeve, were sold. Kokoschka's first commissions were postcards and drawings for children.