Watch List notes:

(x) Harthacnut (1035-42), Penny, 1.03g, Jewel Cross type in name of Cnvt, Norwich, Grim, + cnvtr rex, diademed and draped bust left, no inner circle, rev. + grim on nordpi, jewel cross, no inner circle (SCBI 16 (Norweb) 199 this coin; N.797; S.1160), tiny traces of verdigris, very fine, good portrait, rare.
Provenance:
Lawrence Stack, Sotheby, 22-23 April 1999, lot 551
Norweb, part 3, Spink auction 56, lot 813
Ryan, part 2, Glendining, 22 January 1952, lot 834

Now considered an immediate posthumuos (November 1035-Spring 1036) issue under the auspices of Cnut's widow, Aelgifu Emma (cf. Dolley, BNJ XXVII, pp. 266-275)
Estimate: £500 - £600