used for mailing purposes, and earned them the name of the "sand dune" countries. Famous stamps Basel Dove British Guiana 1c magenta Hawaiian Missionaries Inverted Head 4 Annas Inverted Jenny Mauritius "Post Office" Penny Black Red Revenue "Small One Dollar" Scinde Dawk Treskilling Yellow Uganda Cowries See also Artistamp Cancellation (mail) List of entities that have issued postage stamps (A–E) List of entities that have issued postage stamps (F–L) List of entities that have issued postage stamps (M–Z) List of stamp catalogues Mail Art Philatelic fakes and forgeries Stamp catalog Notes References External links Stamp Collecting News – Provides updates on new stamp issues from around the world History of postage stamps and collecting of stamps First Postage Stamps A Brief History Of Stamps Paper products Stamp Philatelic terminology British inventions Scottish inventions 19th-century inventions