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…

Controversy follows 1927 Irish coin design competition results

In 1922 Ireland won its independence from Britain after a two-year War of Independence and protracted negotiations in London.  The team, authorized to negotiate on behalf of Dáil Eireann, signed a treaty and, after ratification by ‘simple majority’ in the Dáil and by a referendum vote by the Irish people, the Irish Free State was…

O’Brien Rare Coin Review: Why is the 1985 Irish 20p coin so valuable?

The new Irish 20p coin In 1982 the then Minister for Finance, Ray MacSharry, announced that a twenty or twenty-five pence coin might be designed and in August 1984 the twenty pence was chosen.  The Arts Council of Ireland recommended the horse design. The twenty pence (20p) coin was introduced on 30th October 1986.  It was first…

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…

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…

Grading Irish Coins – An Introductory Guide

Introduction There are two facets of grading coins that are frequently discussed at coin fairs and exhibitions – condition and rarity ! The former is relatively straight forward (albeit subject to several different standards) whereas the latter is often the subject of spirited debate.  In order to address both, I will deal with them separately. …

How hammered coins were made in medieval times (a video blog)

One of the most asked questions relating to hammered coins is “how are they made?” Rather than go into a long speech about how it was done, perhaps it is best if I leave this to the experts …. Dave Greenhalgh (Cosmeston Medieval Village) & Barrie Cook (Curator of Medieval Coins, British Museum) Dave reckons…