O’Brien Rare Coin Review: Does an Irish (small) 1991 5p coin exist?
The Irish five pence coin, first introduced in 1971, was 5.65518 grams in weight with a diameter of 2.3595 centimetres. This matched the British five pence coin. As a modern coin it became apparent in the late 1980s that the coin’s physical dimensions were large relative to its value. On 30th April, 1992, Minister for Finance…