2022 1oz Niue Shamrock Antique Finish Silver Coin. Metal Content : 1 troy oz. 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”. Mintage limited to 100 pcs. Important Note: The plating/colorization on this coin was made by a third-party experienced company!