Papers presented at the 2006 Coinage of the Americas Conference (COAC), including studies of the metrology of the large and small St. Patrick denominations, the iconography of the obverse type, potential issuing authorities in seventeenth-century Ireland, the contemporary circulating media of the British colonies at the time of the St. Patrick coinage's arrival in North America, and a new look at Mark Newby's life and involvement in exporting the St. Patrick coinage to New Jersey.