Ключевые слова: abstract, antique, background, card, chaos, collect, collecting, collection, color, colorful, communication, confusion, correspondence, deliver, design, disorder, envelope, four, german, germany, global, greetings, grunge, heap, history, hobby, holiday, international, isolated, letter, lighthouse, mail, mailing, marked, office, old, oldfashioned, paper, philatelic, philately, post, postage, postal, postcard, postmark, retro, shipping, sorting, stamp, stamped, stamps, symbol, trade, trading, traditional, used, variety, vintage, watermark, world, worldwide,