Justin I, 518-527. Pentanummium (Bronze, 14 mm, 1.24 g, 7 h), uncertain mint, 4th officina. D N IVSTINVS P P AV Diademed, draped and cuirassed bust of Justin I to right. Rev. Large Π between two stars; above, cross; within, Є; below, Δ. DOC 59. MIBE 29 (Constantinople). SB 113. A very rare and mysterious issue. Attractive lime green patina. Nearly very fine.