Ключевые слова: aged, antique, berry, blackberries, blackberry, canceled, collection, commemorative, communication, correspondence, europe, food, forest, fruit, helvetia, hobby, isolated, issue, letter, macro, mail, natural, nature, office, old, paper, perforated, philately, post, postage, postal, postmark, retro, service, shipping, stamp, swiss, switzerland, used, vintage,