Watch List notes:

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

Circa 5th-6th century. Weight of 2-ounkia (Bronze with silver inlay, 31x31x5mm, 51.58 g), a square commercial-weight with plain edges (as MAH B1), ounce of 25.79 g. Latin cross above Γ° - Β; all under an ornamental curved arch supported by two columns resting on a high base: the cross and letters inlaid with silver, the rest just engraved. Rev. Plain. CPAI 3,2, 92. Attractive apple green patina. Nearly extremely fine.

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