William & Mary 1690 silver Threepence, retrograde 1 in date, NGC AU55 finest

William and Mary (1689-1694), silver Threepence, 1690, no stop after date which had retrograde Arabic 1, conjoined first busts right now divide legend with stop over head, GV below busts, reads GVLIELMVS. ET . MARIA. D G, note only three stops in legend, rev. crowned mark of value, legend surrounds MAG. BR. FR. ET. HIB. REX. ET. REGINA., weight 1.74g (Bull.923; ESC. 1989; Robinson p.151: 97 [iii]; Seaman 60 obv. D + rev. 8; S.3441). Toned, haymarked reverse, has been slabbed and graded by NGC as AU55.