Watch List notes:

BRITISH COINS, Oliver Cromwell, Silver Halfcrown, 1656, laureate and draped bust left, rev crowned quartered shield of arms of the Protectorate, edge inscribed in raised letters (ESC 446; S 3227). Some light surface marks, wear on high points with hint of underlying brilliance, about very fine / very fine, attractively toned and extremely rare.
ex Henry Chapman (1859-1935), coin dealer, Philadelphia, USA, January 1902
ex Virgil M Brand Collection, dispersed post mortem from 1932
ex Mrs E M Norweb Collection (part II), Spink auction 48, 13 November 1985, lot 428
purchased from CNG, c.2000

Estimate: £4000-5000