There are five main classes of coins in the Hiberno-Norse, Phase I series

O’Brien Rare Coin Guide: Hiberno-Norse, Phase 1 (AD 995–1022)

Introduction The first phase of the Hiberno-Norse coinages were imitations of contemporary Anglo-Saxon coins. They were produced in Dublin but closely copied the style of the silver pennies of Aethelred II of England and his successor Cnut. Since the English coin designs changed periodically, the dating and sequence of their Hiberno-Norse equivalents can be identified…