Watch List notes:

(x) Denmark, Harald Bluetooth (936-985), Half-Bracteate, 0.45g, Hedeby mint, stylised Carolus-Dorestad type (early style cf. Hauberg I, 1 and Conte, Baldwin auction 13, lot 1420), extremely fine, very rare.
Provenance:
'Viking' collection, Spink auction 150, 14 March 2001, lot 1250
Estimate: £500 - £600