Ключевые слова: 50, 100, 500, america, american, background, bank, bank notes, banking, banknote, banknotes, bill, british, business, cash, copy, currency, dollar, economy, england, exchange, fifty, finance, financial, gbp, hkd, hong kong, hundred, investment, isolated, market, money, note, one, paper, pound sterling, sign, space, states, symbol, trade, transaction, uk, united, united kingdom, usa, usd, white,