
She asks
if you pay a silver COIN to the mother,
Game of Thrones Season 3, Episode 1

the King's Master of Coin.
Game of Thrones Season 2, Episode 1

will go again...
(COIN clinks in glass)
The Big Bang Theory Season 5, Episode 19

just give that COIN to any man from Braavos
and say these words to him,
Game of Thrones Season 2, Episode 10

What kind of COIN is that?
Game of Thrones Season 3, Episode 10