Utrecht Bisdom (1010-1528) - Diederik van der Ahr (1198-1212) - Denier or Penning ND Deventer (VdCh suppl. XXVIII variant) - 0.62 gram - Obv. church building, frontal in pearl circle: + DA(VENTRIA) / Rev. cross covered by a crooked staff, in two quadrants an eagle: (+ THEO) DRICV(S) - a.VF / RRR / extremely rare