Watch List notes:

Byzantine Round Commercial Bronze Weight. AE 4-Ounces (Triens) or 24-Nomismata, 105.00, 6th-7th cent. AD. Obv: Engraved letters BΦ with inlaid silver, engraved cross above and eight-pointed star below; all within dotted border. Rx: Blank apart from central hole. Unpublished in the standard references. From the Bill Behnen Collection, purchased from Alteir Corp. in April 2012. The letters BΦ on the obverse of our piece are presumably private ownership initials. For comparable Byzantine 4-ounce weights which were however government issues, see S. Bendall, Byzantine Weights, An Introduction (1996), 131; J. Forien de Rochesnard, Album des poids antiques III, p. 57; M. Campagnolo, M. Weber, and F. Weber, Poids romano-byzantins en alliage cuivreux (2015), 37-8.