Ключевые слова: against, aged, antique, boat, canceled, collection, combat, commemorative, communication, correspondence, education, europe, fight, hobby, illiteracy, isolated, issue, letter, literacy, macro, mail, office, old, paper, perforated, philately, portugal, portuguese, post, postage, postal, postmark, reading, retro, sea, service, ship, shipping, stamp, used, vintage, writing,