5d1, Canterbury, Willem -

Obv: hENRICUS REX III' - EN ligated, with the N reversed, triple pellets in the legend before REX. "Fuzzy" beard of two rows of differently sized pellets.  Rev: WIL/LEN/EON/kAN - EN in 2q ligated, with N reversed (it should be an "M"), "N" in 3q reversed and followed by a pellet, AN in 4q ligated, with the N reversed.   Churchill & Thomas Type C.520.  Ex Mike Vosper (his coin #15, obv. die O.5, reverse die R.4).