You need an action replay or have your friend put a master ball on a Pokemon and trade Pokemon
There isn't a way to get master balls with cheating...
you cant get two master ball's in silver
You can get them from the lottory or Professer Elm but you can not buy master balls.
action replay
You don't.
you cant
You cant
You cannot duplicate master balls. You only get one handed to you. That is all you will receive.
1 ONLY
action replay
action replay
be lucky in lottery