Kosmas, presbyter and monk (?), 11th century. Seal (Lead, 26 mm, 14.63 g, 12 h). [O A]ΓI... - N/I/KO/ΛA, Nimbate facing bust of Saint Nicholas, raising his right hand in benediction and holding a book of Gospels in his left hand. Rev. ΘKЄ R,Θ / KOCMA ΠPЄ (?) / S MONHC/TⲰ N... in four lines, one or two more lines off flan. Unpublished in the standard references. Somewhat rough, otherwise, very fine.