Watch List notes:

Germany. Aachen. Uncertain Emitter Ca 1050. AR Denar (18mm, 0.58g). Aachen mint. +KA[E]R[LRE]X, head left / Eagle with raised wings right. [+]IOHANNE[S]. Dbg. 1848a; Ilisch 50.19. Very Fine, part cut out. Extremely Rare.

Estimate: 500 EUR