Watch List notes:

The Netherlands. Friesland. Ca 1000. AR Denar (20mm, 0.67g). Uncertain mint in Friesland. High triangle with cross on top and in center / Cross with pellets in angles. Ilisch 20.4; Dbg. 1309. Fine, usual flat spot, perforations within flan, slightly wavy flan.
Estimate: 40 EUR