Watch List notes:

Germany. Cologne. Otto I 962-973 or Otto II 962-973 or 965-983. AR Denar (18mm, 1.34g). Cologne mint. + OTTO IMPERATOR, cross with pellet in each angle / S / COLONIA / AG, Cologne monogram in three lines. Dbg. 333 (as Otto II 973-983); Hävernick 62 (as Otto I 962-972 or Otto 973-983). Near Very Fine, with loop not intact (top part is missing).