While the popularity of Blackjack dates from World War I, its roots go back to the 1760s in France, where it is called Vingt-et-Un (French for 21). The dealer shall be required to count the stub at least once every five rounds of play in order to determine that the correct number of cards are still present in the deck. The dealer shall determine the number of cards in the stub by counting the cards face down on the layout. Argine (queen of Clubs) has an unknown origin, which some scholars sugges...