Kings of Mercia, Coenwulf (796-821), Penny, Gps III and IV, Portrait type, Canterbury, Oba, diademed bust right, rev. + oba + mon + eta, small cross potent in centre, 1.26g/9h (Naismith C41.2ff; BLS Cn65e; N 352; S 916). Good very fine on a full flan, very rare £1,500-£2,000