However, you should not commit an error of asking other people about it as that will make others have fun with the situation in order to out cash from your bank account.
If you're having a 20's style party be sure the dealers are also wearing a costume from that year. https://taigamepc.com/giai-tri/game-bai-rikvip-trai-nghiem-va-cam-nhan-cua-mot-game-thu-lau-nam/29