Watch List notes:

Justinian I. 527-565. AV Solidus (20mm, 4.46 g, 6h). Constantinople mint, 1st officina. Struck 527-537. Helmeted and cuirassed bust facing slightly right, holding spear over shoulder and shield / Angel standing facing, holding long cross and globus cruciger, star to right; A//CONOB. DOC 3a; MIBE 5; SB 137. Lustrous. In NGC encapsulation 6154965-002, graded MS, Strike: 5/5, Surface: 3/5. A superb example.

From the MacKay Collection of Byzantine Gold and Silver, purchased from Sovereign Rarities, 15 May 2018.