Maybe they're trying to curry some
favor with the new Master of Coin.
Game of Thrones Season 3, Episode 3
The COIN is in your spot!
The Big Bang Theory Season 7, Episode 3
You're the Master of Coin.
How do we pay them?
Game of Thrones Season 5, Episode 4
Then where's the COIN?
The Big Bang Theory Season 7, Episode 3
A COIN of great value.
Game of Thrones Season 2, Episode 10