Watch List notes:

Ireland, Hiberno-Norse coinages, Thymn, Penny, 1.35g, phase I, c.995-1020, imitating Aethelred II long cross type, imitating Sigtuna?, Faeremin, bare headed bust left, pellets on neck and behind bust, +Ðymnroe+mnegmi, rev. +faemiemn mo seÐi, voided long cross (S.6109), some darker toning, small dig on reverse, otherwise exceptional and fresh with much lustre, as struck and extremely fine, excessively rare.
This highly unusual mint signature; SEÐI, may be imitative
Estimate: £4,000.00 - £6,000.00