Above is a relief image of the State Emblem of the Republic of Belarus, inscriptions along the rim: at the top - РЭСПУБЛІКА БЕЛАРУСЬ, at the bottom - face value 50 РУБЛЁЎ, left - year of coinage, on the right - alloy sample; in the center - a stylized image of the ski jumps of the city of Lahti against the background of a "frosty pattern" made in the style of a geometric national ornament.

In the center - a stylized image of skiers in a circular composition and the logo of the International Ski Federation FIS (FIS); on a circle of an inscription: above - NORDIC WORLD SKI CHAMPIONSHIPS, below - LAHTI 2017.

Fluted.

Coins have the form of a circle, with the front and back sides - protruding edge along the circumference. Weight of gold in purity: 7.78 g.