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…

coins, numismatics, irish free state, eire, ireland, florin, two-shillings, The rare 1943 Ireland florin - approx. known examples exist.

O’Brien Rare Coin Review: Why is the 1943 Irish Florin so valuable?

Introduction The 1943 florin is the rarest ‘modern’ Irish coin to have actually circulated. The 1985 Irish 20p was not intended to circulate The 1992 Irish 10p was not intended to circulate Both of the coins listed above were minted for only testing purposes, i.e. to calibrate vending machines and they were supposed to have…

Phase III, Penny, bust left, two pellets in front of face and behind head, rev. long voided cross with hand in two quarters, blundered legends

O’Brien Coin Guide: Introduction to the Hiberno-Norse Coinages of the Late 10th & Early 11th C

The first locally produced Irish coinage was the so-called Hiberno-Norse coinage which was first minted in Dublin in about 995-7 AD under the authority of Sihtric III (aka Sihtric Silkenbeard), the Norse King of Dublin.  There is no evidence for the native Irish producing coins before this, so it is likely that their economy was not coin-based.  The…

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…