Just for the sake of clarity, are you are looking for a swage press as opposed to a swaged mould?
Two ways to make a ball: pour molten lead into a mould (a process known as casting or running) or press solid lead wire into a die (a process known as swaging).
The $200 swage is nothing compared to the $6,000 cost of the 60,000#psi (a guess) hydraulic press you need to squeeze it and the extruding machine to cut the lead wire +/- 0.25 grains or so (But I don't know; maybe the process automatically squeezes the excess lead out as the ball is formed??).
Two ways to make a mould: form a round cutter to chop the cavity out of the mould faces or form a hard cherry to press the cavity into the mould halves under great pressure.
A good quality "O frame reloading press (and the dies) is all you need to swage bullets. The core must be heavier than the finished product, excess lead is forced out of the die through a hole provided for that.