The price is 25 NOK, just over 3 USD.
Today, and till noon tomorrow (Norwegian time)
you can get 50% off using the coupon code valentine.
You find the pattern here.
The hat "Eventyrlua" has been available in Norwegian for a little while, you can see the Ravelry projects here.
The pattern was inspired by the Fairy Tale Flower mittens, "Eventyrblomster" from the mitten e-book, "Mittens from the Fairy Forest".