The look on his face was 'priceless'.
a 'priceless' piece of information
The painting is 'priceless'.
(..) You need proof of my honest intentions. In my experience, the surest way to a woman's heart is with a gift. A priceless gift. I won't return to King's Landing until I have that for you. Ah, Maester Weyland. A drinker's liver if ever I saw one. (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1