O’Brien Rare Coin Review: Why is the 1938 Irish Penny so valuable?

In 1937, a new constitution declaring Ireland a free state was established and the old designs for the coins of Ireland that featured the legend “Saorstat Eireann” or Irish Free State were changed to “Eire” to reflect the new constitution. The only known 1938 coins to feature that revised legend are: one halfcrown (currently unique…