Sweden 50 Kronor 1976 Wedding of King Carl XVI Gustaf and Queen Silvia. Charles XVI Gustaf (1973-). Obverse: Heads of Queen and King facing front. Reverse: Crowned coat of Arms of Sweden with Order of Seraphim Chain and lion supporters at sides. Below the value, with at sides the letters E and U: E (at left) shows where the coin has been struck: Eskilstuna; the letter U (at right) s the first letter in the surname of the Governor of the Riksbank. Edge Plain. Silver 26.91g. KM 854