Watch List notes:

Justinian I. 527-565. AV Solidus (19.5mm, 4.47 g, 6h). Constantinople mint, 4th officina. Struck 527-537. Helmeted and cuirassed bust facing slightly right, holding spear over shoulder, shield on left shoulder / Angel standing facing, holding long cross and globus cruciger; star to right; Δ//CONOB. DOC 3d; MIBE 5; SB 137. Lustrous. In NGC encapsulation 6558566-006, graded MS, Strike: 5/5, Surface: 4/5.

From the Gasvoda Collection, purchased from Sovereign Rarities, January 2020.