Watch List notes:

NGC XF Details | Ireland, Kilkenny, Castlecomer Colliery, Anne, Dowager Countess of Ormonde's Money, Countermark 5 Shillings and Fivepence, c. 1815, over a Charles IV, 8 Réales, 1792 IJ, Lima, laureate, draped and cuirassed bust right, oval countermark inscribed PAYABLE AT CASTLE COMER COLLIERY on face, rev. crowned shield flanked by pillars, incused security edge, 11h (cf. Manville 108 unlisted; Whetmore, 1962 -; W A Seaby, BNJ [1965], this coin not listed), a small dig before face, otherwise the undertype good fine and lightly toned, the overstamp good very fine, unknown to Whetmore, Seaby and Manville, unpublished of this date, presumed UNIQUE thus