Watch List notes:

Cromwell, Halfcrown, '1658', a forgery (electrotype ?) in silvered brass, 12.39g, 7h (cf. ESC 252 [447]; cf. S.3227A), surface plating flaked in parts, and details somewhat soapy, otherwise about fine.
provenance
CCA, 4 May 2010, lot 580
Estimate: £40 - £60