Offa, King of Mercia, non-portrait Penny, light coinage, Canterbury, Tirwald

Offa (757-796), King of Mercia, silver Penny, light coinage (c.780-792), Canterbury Mint, moneyer Tirwald, King's name surrounding central ring of pellets within a serpent wreath, +OFFA REX, rev. four lobed fleur like cross with moneyer name in angles surrounding, initial and terminal letters share same angle, T IR VV AL D, weight 1.20g (BMC -; Chick type 131; Blunt -; N.-; S.904). Unevenly toned, a bold very fine and extremely rare, only one example recorded in Chick, this coin being the second one known.