Isaac Newton in a 1702 portrait by Godfrey Kneller

Sir Isaac Newton, Master of the Royal Mint (1699-1727)

Introduction: Sir Isaac Newton is, perhaps, best known as an English physicist and mathematician who is widely recognised as one of the most influential scientists of all time and as a key figure in the scientific revolution.   His book “Mathematical Principles of Natural Philosophy”, first published in 1687, laid the foundations for classical mechanics Newton made…

Ballykinlar Internment Camp - one penny token

O’Brien Coin Guide: Ballykinlar Internment Camp Tokens (1920-21)

Introduction These items are unusual insofar as they fall into several categories, i.e. coin tokens, unofficial notes. Either way, they are ‘para-numismatic’ items and are also collected by those interested in militaria, republican memorabilia and banknotes. They were produced for use in the Ballykinlar Internment Camp in Co Down towards the end of the Irish…