Ключевые слова: address, album, anniversary, blank, border, business, card, clean, collection, communication, delivery, design, document, edge, empty, envelope, form, frame, invitation, label, layout, letter, mail, mark, message, mockup, old, paper, perforated, post, postage, postage stamp, postal, postcard, postmark, poststamp, quadrate, rectangle, retro, sample, send, set, shape, square, stamp, sticker, template, vintage,