Great Britain
Kings of All England. Cnut (1016-1035) Penny c. 1016-1023 MS61 NGC, London mint, Manwine(?) as moneyer, Quatrefoil type, S-1157, North-781. + CNVT REX ΛNGLOR, crowned bust left within quatrefoil / + MΛ | NPI | NE M | LVND, voided long cross with crescent ends over quatrefoil with a pellet at each apex.
Estimate: 500-700 USD