Cases of production of counterfeit U.S. Dollars by various techniques and with a different quality of imitation of security features are reviewed in detail in the practical guide «U.S. Dollars: Genuine or Counterfeit?», including a detailed description of counterfeit banknotes of «super» class of 50 and 100 Dollars denominations of different series — from 1977 till 2003 inclusive. . .Each series of U.S. banknotes, while being actually of single-type design in each denomination, nevertheless poss