https://britnumsoc.blog/2026/10/09/a-groat-die-of-edward-iv-used-at-waterford-and-cork-linking-with-cork-readeption-groats-of-henry-vi-oisin-mac-conamhna/BNS Research Blogen2026-10-09T10:02:46+00:00A groat die of Edward IV used at Waterford and Cork, linking with Cork readeption groats of Henry VI – Oisín Mac Conamhna