Watch List notes:

Germany. Cologne. Otto III 1000-1030. AR Denar (17mm, 1.37). Cologne mint. + ODDO + MP AVG, cross with pellets in each angle / S / OLONII / A, Cologne monogram in three lines. Dbg 342 var.; Hävernick 850 a var. Near Fine. Usual Flat spots.
Estimate: 60 EUR