Rare Error Mule 1961 Halfcrown low mintage 50,000. Heavily circulated and rare in nice high grade. Full harp detail and no major wear problem. Better than most. A  rare 1961 Ireland Mule Half Crown coin in high grade condition with sharp details. This coin is made of copper-nickel and was minted in Ireland. It is classified as circulated and uncertified, making it a valuable addition to any coin collection. Its unique design and historical significance make it a sought-after piece for collectors interested in Irish numismatics.