Conversation. When a blackjack dealer looks into the table's "peeker" a mirror that shows their face down card they see one of two things: 1) An ace (which means they have a blackjack), or 2) nothing (just white, play continues). Aces are the only cards with pips in that position.

Chinese Blackjack is also known as 21-point, ban-luck (Hokkien), ban-nag (Cantonese), and x dch (Vietnamese). The game is played in South East Asia and resembles conventional Blackjack.