Holy Roman Empire (Cologne or Andernach) AR Denar ND – Otto I (936-973)
1.44g. UNC/AU. Mint luster.
Obv: Cross with pellet in two quarters and trefoil in the other two quarters; “OTTO …”.
Rev: COLONIA-monogram.
Dannenberg 331b; cf. Hävernick 47.
Issue historically associated with present-day Germany.