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 milled (ESC 1005; S 3228). A few light short hairlines on the reverse, almost extremely fine, toned.
ex Phil Wallick, Simpsonville, Maryland, USA, c.1998

Estimate: £1800-2200