Ключевые слова: background, blank, blue, border, brown, business, clip art, clipped, collection, communication, deliver, delivery, design, edge, empty, express, frame, gray, green, greeting, grey, illustration, isolated, letter, mail, mailing, new, object, orange, outline, paper, perforated, philately, post, postage, postal, postcards, postmark, print, purple, rectangular, red, send, square, stamp, sticker, template, triangular, white, yellow,