Embossed circular surface with the value impressed into it. The legend “Republic of Slovenia” is written on the left side of the coin, from the bottom up, and along the right edge the denomination of the coin in words reading “1 tolar” from the top down. The year of coinage is impressed on the bottom part.

Depicts three riverine brown trouts in the centre. The Latin name of the fish below. The value of the coin expressed with the number “1” on top.

Salmo trutta morpha fario is the riverine form of the brown trout Salmo trutta that spends its entire life cycle in running water. The fario morph is often referred to as river trout in Europe. Riverine brown trout average 20 to 80 centimetres (7.9 to 31.5 in) but can reach lengths of 1 metre (3.3 ft). They usually attain a weight of up to 2 kilograms, but sometimes up to 13 kilograms (29 lb). They can live for up to 18 years.