"Plato o plomo" actually, silver or lead :)
EDIT should be "plata"
EDIT should be "plata"
It's "plata o plomo".
"Plata" can mean "silver" or "money". In this context they are referring to "money".
"Plato" is literally "plate" as in where you put your food on.
(thanks $diety for the two hour edit window)