Duke of Ormonde’s gold coinage of 1646-7, Pistole, Dublin, undated, stamped 4dwt 7grs both sides

O’Brien Coin Guide: Introduction to the Emergency Coinages of the Great Rebellion of 1641-52

Introduction Many people think of the Great Rebellion as a two-sided fight – the Irish Catholics versus the Anglo-Irish Protestants … but it was a lot more complicated than that. There were at least five opposing parties during the rebellion, which have been described by Carlyle as follows :- the Catholics of the Pale demanding…

The 2008 €100 gold coin (polar explorers) - the largest (28mm diameter) and heaviest (half ounce) Irish gold coin to date.

O’Brien Coin Guide: Irish Commemorative Euro Coins

Most of the coins listed below were struck as ‘proofs’ – the exception being the first of the series, the €5 Special Olympics coin.  This was a cupro-nickel coin and is available as BU mini-presentation folder.  In addition to this, all other coins were struck in either Sterling silver or gold and are issued in…

The Enigmatic Coins of the Celtic Tribes of Britain

Celtic coinage is the most intriguing and varied of all the British coins since no one knows specifically for whom, when or where they were produced.  To date, over 45,000 of ancient British and Gaulish coins have been discovered in Britain and all of these have been recorded at the Oxford Celtic Coin Index, but…

O’Brien Coin Guide: Roman Emperors and their Coins, Part IV

The Year of the Five Emperors (AD 192 – 193) Pertinax The ‘Year of the Five Emperors’ refers to the year AD 193, in which there were five claimants for the title of Roman Emperor – Pertinax, Didius Julianus, Pescennius Niger, Clodius Albinus and Septimius Severus. The year opened with news of the murder of Commodus…

O’Brien Coin Guide: Roman Emperors and their Coins, Part III

The Nervan-Antonine Dynasty (96–192) The Nerva–Antonine dynasty was a dynasty of seven Roman Emperors who ruled over the Roman Empire from 96 AD to 192 AD.  These Emperors were Nerva, Trajan, Hadrian, Antoninus Pius, Marcus Aurelius, Lucius Verus, and Commodus.  They are probably of great interest to fans of the Gladiator movie but the real history…

O’Brien Coin Guide: Roman Emperors and their Coins, Part I

Coins of the Roman Empire This is intended as a simple, introductory guide to Roman coins.  Links to academic and other sources of information are provided for each Roman Emperor and more detailed Roman coin databases are available online. Roman Provincial Coinage (University of Oxford) Online Coins of the Roman Empire (New York University / ANS) Coin…