It was actually the game of Quinze that helped the famous English casino Crockford's flourish around 1820 to 1840.
In this game, each player was trying to achieve a total of 15 points, as opposed to 21 points in standard blackjack. Quinze was a gambling card game similar to blackjack that became quite popular in France in the early 1800's. US Players and Credit Card, BitCoin Deposits Accepted! Quinze Card Game How to Play Quinze