One from Giovonni, and unlimited from the lottery and trade.
You can get 2 Master Balls in both versions.
Only one
you can get 1 master ball
You mean Masterballs? There's only one you know.
1
i masterball
1
one
You can clone a Pokemon with the master ball or trade it to a friend and keep starting over until you're satisfied with the number of master balls.
Attach your master ball to ONE POKEMON, next CLONE that Pokemon for how many master balls you want. Next detach them, and release all the clones (if you want)
Duplicate Pokemon with a masterball attached to them.
Only one.