Watch List notes:

The Eparch Collection of Roman, Byzantine and Islamic Weights
LATE ROMAN – BYZANTINE COMMERCIAL WEIGHTS

Circa 5th-6th century. Weight of 6-ounkia (Brass, with traces of silver inlay, 47x45x7mm, 152.22 g), a thick, square commercial- weight with plain edges (as MAH B1), ounce of 25.37 g. Latin cross between Γ° - S; all within a wreath of laurel, with an annulet at 0°, 90°, 180°, and 270°. Rev. Plain. Cf. MAH 9 (but all the similar examples found have longer Latin crosses, an outer scalloped border to the wreath, and floral ornaments in the upper corners of the square). A particularly attractive example with an attractive dark green patina. Extremely fine.

From the Eparch Collection, acquired from Baldwin's in London.