Asset at the card table

• Gambling asset
• Communication barrier
• Inscrutable expression
• You'll get nothing out of a good one
• Card player's deadpan expression
• Zero reading from this dial
• It's blank for a bluff
• Hard-to-read expression

Wikipedia Word definitions in Wikipedia
Pokerface is a 1986 mini series about a former journalist who works as an undercover agent for Australia's secret service.