When we say bank rolls people always assume it means a coin or how the old school gangsters in movies used to say cash back in the day. However, this kind of cash, we refer to means that the bank, with a lot of money in exchange for nickels and quarters or whatever the choice of the exchange by need.

The goodness of this form of bank roll is when you get parts that are new and unused parts. Although this form of collecting coins is a bit expensive because the parts are not really a variety of samples like the kind you get when you are looking for the rarest pieces or more. Instead of these pieces are new and are just the normal type of rooms, it will be good for someone just beginning to collectors of coins or hobby.
Some collectors prefer to collect coins in the role of bank going into a room and deliver cash in the bank and obtain the new coins is not yet out of circulation that have not been adopted by other collectors.
The parts you receive from the bank could still be a kind of deformity is a rare, at best, because you might find the class that has two heads or poorly expressed or otherwise fails as it can do that is a lot of cash in a few years.