Ключевые слова: art, background, black, blank, border, business, card, clear, color, communication, correspondence, deliver, delivery, design, empty, envelope, frame, grunge, icon, illustration, image, isolated, letter, mail, mark, object, old, paper, philately, post, postage, postal, postmark, print, retro, rubber, seal, send, sign, square, stamp, symbol, template, vintage, white,