Watch List notes:

Anastasius I (491-518). AE Nummus, Constantinople mint. Pre-reform copper coinage, 491-498 AD. D/ [...]. Diademed bust right. R/ Monogram of Anastasius in wreath; no mintmark. D.O. 15; Sear 13; Morello 12/1. AE. g. 1.05 mm. 10.00 R. Rare. Earthen dark green patina. VF.

Nummi of Anastasius have been attributed to both Nicomedia and Antioch though featuring obverse legends and a reverse mintmark. This example shows unreadable traces of obverse legend and no mintmark on reverse.