Question

How many sealed briefcases are used at the beginning of a round on deal or no deal?

Answer 1

Thanks for asking the question.
2 briefcases are used in the beginning of the round on deal or no deal.
Deal or no deal is the name of several closely related television game shows.
It was produced by a dutch producer, Endemol. It is played with up to 26 cases containing certain sum of money.
Hope it helps.