Watch List notes:

Charles I, Newark besieged, ninepence, 1645, arched crown between C-R, mark of value below, rev. OBS NEWARK, date below (S.3144; N.2641), weakly struck above crown, otherwise extremely fine to mint state and beautifully toned
£3000-3500
An exceptional specimen and very rare thus.
*ex St James's Auction 5, 27 September 2006, lot 332
ex Bridgewater House collection, Sotheby's, June 1972, lot 307