The General Council of the Riksbank provides under Chapter 5. section 1 of the Act (1988:1385) om Sveriges riksbank to a coin on a Crown with the following from the size, shape and appearance.
section 1 the year 2013 is 40 years ago Carl XVI Gustaf became Sweden's head of State, a coin with a nominal value of one Crown with from.
section 2 of the coin to be produced in an alloy of 75% copper and 25% nickel. The coin should have a weight of 7.00 grams and a diameter of 25.0 mm. Rim height should be 1.88 mm.
3 § the number of coins at the weighing that most closely corresponds to the average weight of one kilogram coins may not differ by more than 2% from the weight of the coins should have under section 2.
4 § the coin should have the following character.
On the front of King Carl XVI Gustaf's portrait in profile, the left side, the legend "the KING of SWEDEN CARL XVI GUSTAF", as well as in the portrait the year 2013 and the designer's initials "a".
On the back of the upper part of the coin a penny. Denomination "1" is set to the left and to the right the first letter in the place of publication ("S"), as well as the Governor's initials ("SI").
In the Middle stands the text "for the United States-in TIME" and underneath the King's monogram. In addition, the monogram is the years 1973 and 2013. Lower edge of the coin is the text "SWEDEN'S KING for 40 years". RIM should be ridged.