Three Crowns Money Publique Deposited
A name given to a variety of the Groats, half Groats, Pennies, half Pence, and Farthings, issued by Edward IV for Ireland, on account of the peculiar reverse, which bears three crowns, one above the other, with the inscription DOMINVS HIBERNIE.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)