Ключевые слова: 1979, baby, background, blue, border, boy, celebration, child, childhood, collect, collectible, collecting, collection, collector, color, communication, correspondence, cute, decoration, deliver, design, editorial, education, emblem, envelope, face, family, friendship, funny, happy, historic, history, hobby, home, illustration, image, ink, international, joy, kid, label, letter, lifestyle, little, love, mail, mark, message, national, paper, perforated, perforation, philatelic, philately, picture, portrait, post, postage, postal, postcard, postmark, preschool, print, rectangle, rectangular, send, service, set, sky, smile, smiling, stamp, states, symbol, texture, toddler, used, ussr, year, young,