Watch List notes:

IRELAND. Philip & Mary. 1554-1558. AR Groat (28mm, 2.63 g, 6h). Tower (London) mint; [im: rose]. Dated 1557. Confronted busts of Philip and Mary; crown above / Crowned harp; crowned P M flanking. Cf. D&F 237; SCBC 6501C. Deposits, a couple of flan cracks, underlying luster, struck on a ragged flan. VF.