Watch List notes:

Germany. Cologne. Otto III 983-1002. AR Denar (18mm, 1.70g). Cologne mint. [+OT]TO R[E]X, cross with pellets in each angle / S / [C]OLONA / A G, Cologne monogram in three lines. Dbg. 331 var; Hävernick 34. Very Fine, usual flat spots, slightly wavy flan.
Estimate: 80 EUR