A currency arranging and stacking apparatus with a hopper for receiving a plurality of paper currency bills and a bill stacker for receiving and stacking unfolded and paper currency bills in a common orientation. Between the hopper and bill stacker, the apparatus includes a currency unfolding apparatus, the currency unfolding apparatus having a vacuum belt under negative pressure for holding the paper currency bills and a wheel engaging the vacuum belt that rotates at a speed different from the vacuum belt, thereby unfolding folded paper currency bills. A currency creasing apparatus comprising a first creasing wheel and a second creasing wheel, creases the paper currency bills to prevent them from re-folding before uniform assembly in the bill stacker.