Watch List notes:

BRITISH COINS, Commonwealth, Silver Halfcrown, 1652, English shield within laurel and palm branch, initial mark sun, .THE. COMMONWEALTH. OF. ENGLAND., rev English and Irish shield, value and pellets above within beaded circle, date above, .GOD. WITH. VS., 14.71g (ESC 429; N 2722; S 3215). A little uneven in shape, bold very fine, toned.
ex Patrick Finn, List 16, 1999, item 379

Estimate: £600-800