Charles I (1625-1649), Aberystwyth mint, Halfgroats (2), mm. book on rev. only, bust as Tower Gp D (from a Tower die), rev. plume, read FIRMA and FIRMAT, no inner circles, 0.96g/6h, 0.90g/6h (SCBI Brooker 779A; Morr. C-2; N 2342; S 2900) [2]. Fine