Watch List notes:

ANCIENT COINS. BYZANTINE. Constantine IX Monomachos (A.D. 1042-1055), Gold Histamenon Nomisma, 4.42g, 6h. Nimbate bust of Christ facing, raising hand in benediction and holding book of Gospels. Rev. CωhSTA-hTh-bASILEYS RM., crowned bust of emperor facing, wearing a loros, holding a long cross and a globus cruciger surmounted by a pelleted cross (DOC 3; S 1830). Extremely fine.
Ex F. Sternberg, Zürich, private treaty, c.1988

Estimate: $600