1920, Yugoslavia (Kingdom of the Serbs, Croats & Slovenes). 25 Para Coin. Mint Year: 1920 Reference: KM-3. Denomination: 25 Para Material: Nickel-Bronze Diameter: 24mm Weight: 5.77gm King Peter I is remembered for his modesty, attributed to his military background. He was immensely popular throughout his reign and remains one of the Western Balkans’s most popular leaders. He is ...