Ключевые слова: antique, box, collection, communicationrn, correspondence, cover, delivery, design, drawing, flat, graphic, horn, icon, illustration, isolated, letter, letterbox, line, long, mail, mailbox, message, metal, object, office, old, post, postage, postal, postbox, red, retro, romantic, seamless, send, service, set, shadow, sign, simple, stamp, traditional, unique, vintage, wall, white,