Watch List notes:

Constantine IX Monomachus, 1042-1055. Histamenon (Gold, 29 mm, 4.31 g, 6 h), Constantinople. +IhC XIS REX RESnAnTIhM Bust of Christ Pantokrator facing, wearing cross nimbus with crescent in each upper quarter, his right hand raised in benediction and holding book in his left. Rev. +CωnSTAnT bASILEuS RM Bust of Constantine IX facing, wearing loros and crown with pendilia, holding labarum in his right hand and globus cruciger in his left. DOC 2a. SB 1829. Well centered and attractive. Good very fine.

From the inventory of a Swiss dealer.