Watch List notes:

BRITISH COINS, Oliver Cromwell, Silver Shilling, 1658, laureate and draped bust left, rev crowned quartered shield of arms of the Protectorate, edge grained (N 2747; S 3228). Attractive cabinet tone, one or two tiny hairlines and usual die flaws by forehead, otherwise good very fine with prooflike fields, scarce.
from the David Sellwood collection

Estimate: £2500-3000