Watch List notes:

Basil I the Macedonian, with Constantine, 867-886. Solidus (Gold, 20mm, 4.37 g 6), Constantinople, circa 871-886. IhS XRS REX - REGNANTIUM * Christ, nimbate, seated facing, wearing chiton, raising hand in benediction and holding book of gospels. Rev. bASILIOS ET CONSTANT' AVGG' b' Crowned facing busts of Basil, with short beard and loros, and Constantine, beardless and wearing chlamys, holding patriarchal cross between them. DOC 2a. SB 1704. Nearly extremely fine.