Watch List notes:

BRITISH COINS, Charles I, Silver Pattern Shilling, Oxford mint, 1644, crowned bust left breaking inner beaded circle top and bottom, value behind, initial mark Shrewsbury style plume with single band, rev die axis at 9 o'clock, Latin Declaration in three lines with colon lozenge stops, scroll lines above and below, date and OX below, central Oxford plume above with Shrewsbury style plume either side, beaded circles and legend surrounding, initial mark four lozenges, 5.80g (Brooker -; Lockett 2469; N 2712; S -). On a broad flan, flan flaws on the reverse and blank filing marks evident both sides in corresponding parts, otherwise very fine and lightly toned, extremely rare.
ex Spink Numismatic Circular, September 2010, item HS4341, illustrated on the front cover

Estimate: £5000-7000