Ключевые слова: america, american, banking, banknote, business, cash, closeup, concept, conceptual, corroded, credit, currency, dollar, economical, economy, finance, financial, green, investment, iron, metal, monetary, money, new, number, old, paper, pattern, pay, paying, plate, purchase, purchasing, rich, rusty, save, shadow, sign, single, stain, states, steel, success, symbol, unit, united, up, us, usa, wealth,