Ключевые слова: 100, 2009, abundance, america, american, background, banknote, bill, business, cash, closeup, commerce, currency, dollar, economic, finance, financial, focus, franklin, green, heap, helical, helicoid, helix, image, investment, lots, many, money, paper, pattern, payment, pile, prosperity, rich, series, sign, spiral, stacking, success, symbol, texture, treasure, us, usa, usd, volute, wealth, welfare, wellbeing,