Kings of Mercia, Offa, Penny, Light coinage, London or Canterbury, Tirwald, + OF-A RE-X in angles of Celtic cross, rosette in centre, rev. TIRWALD within angles of an ornate trefoiled cross, 1.17g/11h (CEB 79; N 275; S 905). Light surface crack on obverse, fine, reverse very fine, extremely rare £800-1,000