Reverse In the central part, the state coat of arms of Ireland - a harp, crowned with the British Imperial Crown. In the upper part, along the edge of the coin, the text in English: 'HIBERNIA.' - Hibernia, below - the year of minting: 1822. Along the edge of the coin - a toothed (denticulated) relief.
Obverse In the central part, the left-facing profile of King George IV of Great Britain. To the left and right along the edge, the text in Latin: 'GEORGIUS IV D.G.REX' - George IV, by the Grace of God, King. The edge of the coin features relief elements in the form of teeth (denticles).