Watch List notes:

BYZANTINE SEALS, Metric. Alexios, Circa 13th century. Seal or Bulla (Lead, 31 mm, 30.18 g, 12 h). ΜΗΡ ΘΥ The Virgin "Platytera" (Theotokos), nimbate, wearing maphorion and holding with both her hands the facing nimbate Christ child on her lap, seated facing on elaborate thokos. Rev. TON AKPO/ΓΩNIAION O/N ΦΕΡΕΙC ΛΙΘΟ/Ν OIOC NOHTON Π/ΡΟC ΓPAΦAC ΕXEIN KY/POC AΛEΞΙΟC K/AI ΤYΠΟN AΙ ΤΩ /CΦPAΓIΔΟC (may the cornerstone [Jesus Christ] which you hold give credit to what is written on this seal.) in eight metric lines, the whole within dotted border. No parallels found. A very unusual metric seal referring to Jesus Christ as "cornerstone". Cancelation mark on the reverse, otherwise, very fine.