Great Britain
Viking Coinage of York (ca. 895-902). Cnut Cunnetti Penny ND AU55 NGC, York mint, S-993, North-501. + CИVT (in chrismatic form) REX, a patriarchal cross with two crosslets in angles / +CVNNETTI, small cross with two pellets. Deeply toned with just a trace of ghosting into the small cross.
Estimate: 600-800 USD