2022 1oz Niue Shamrock Rose Gold and Gold Gilded Silver Coin Year: 2022 Mintage: 100 pcs Condition: Brilliant Uncirculated Manufacturer: European Mint Country: Niue Denomination: $2 NZD Metal Content: 1 troy oz Purity: .9999 Fine Silver Diameter: 38mm Presentation: Box and COA A shamrock is a young sprig, used as a symbol of Ireland. Saint Patrick, Ireland's patron saint, is said to have used it as a metaphor for the Christian Holy Trinity. The name shamrock comes from Irish seamróg, which is the diminutive of the Irish word seamair óg and simply means "young clover".