Ключевые слова: art, card, collection, communications, communism, congratulation, day, greeting, hammer and sickle, holiday, illustration, mail, marine, medal, military officer, naval officer, naval power, naval review, navy, officer, order, parade, picture, post, postage, postal, reproduction, retro, sailor, sea, seaman, socialist, soviet, symbolism, union, unique, ussr, vintage,