O’Brien Coin Guide: Irish Pre-Decimal Halfcrown
The half-crown (2s6d or 2/6) coin was a subdivision of the pre-decimal Irish pound, worth 1/8 of a pound. The halfcrown was commonly called “two and six” due to its value of two shillings and sixpence (indicated on the coin itself as ‘2s6d’). For almost half a century it was the largest circulating Irish coin…









