Ключевые слова: ancient, background, bank, banking, banknote, bill, business, cash, cent, change, cigar, circle, close, coin, collection, communism, communist, convertible, crisis, cuba, cuban, cuc, currency, debt, dollar, embargo, finance, financial, group, inflation, investment, luxury, monetary, money, nickel, nobody, note, numismatic, object, old, paper, pay, peso, prosperity, recession, tobacco,