Ключевые слова: ancient, background, birthday, blank, blue, business, card, celebration, closeup, color, colorful, communication, concept, copy, correspondence, cover, design, document, email, empty, envelope, gift, invitation, isolated, letter, mail, message, mock up, mockup, note, object, office, open, page, paper, paper envelope, post, postage, postal, postcard, sheet, space, table, text, top view, vintage, white, yellow,