Watch List notes:

Michael Boilas. Sebastos, mid-late 11th century. PB Seal (36mm, 33.79 g, 12h). Archangel St. Michael standing facing, holding sword and scabbard; [X/AP to left]; –/X/H/Λ to right / +/ΠTЄPVΞI/TAIC CAIC KAI [ΛO]/Г(OY)C KAI ΠP[AKTЄA]/CKЄΠOIC CЄBA/CTOV MIXAIHΛ/TOV BOIΛA/ (ornament) in eight lines. Wassilou-Seibt, Corpus II, 1880. Gray patina, thick earthen encrustation. VF.

From the Exarch Collection.