Watch List notes:

HUNGARY. Sigismund, 1387-1437. Denar (Silver, 16 mm, 0.37 g, 6 h). mOn SIGISMVnDI Patriarchal cross diviniding K-L. Rev. + REGIS VnGARIE ET C Hungarian arms. Réthy 124A. Very fine.
From the collection of a scholar.