Watch List notes:

BRITISH COINS, Charles I, Silver Half-Pound, 1643, Oxford mint, the King on horseback left, riding over arms and armour on groundline, Oxford plume behind, initial mark Oxford plume, beaded inner and outer circles and legend surrounding, rev inverted dies axis, Declaration with colon punctuation in two lines, three Oxford plumes and value .X. above, date below, initial mark four pellets before legend, 59.99g (Brooker -; N 2404; S 2945A). Tooled both sides with associated surface marks, very fine, toned.
bought S&B Bulletin no.18, May-Jun 1994, item E103

Estimate: £1800-2200