Justinian I. 527-565. AV Solidus (21mm, 4.41 g, 6h). Constantinople mint, 12th officina. Struck 537-542. Helmeted and cuirassed bust facing, holding globus cruciger and shield / Angel standing facing, holding staff surmounted by staurogram and globus cruciger; star to right; IB//CONOB. DOC 9 var. (officina); MIBE 7; SB 140. EF. Rare officina, only one cited in MIBE.