Watch List notes:

Phocas. 602-610. AE half follis (20.1 mm, 6.55 g, 2 h). Carthage mint, Struck 609/10. D N FOCAC [PERP AV N], Crowned bust of Phocas facing wearing consular robes and holding mappa / Cross between two pellets; F - O / C - A in angles; beneath, XX between two pellets. SBCV 685; DOC 113. VF for type, somewhat off-center obverse loses some legend; light green patina.

Ex Leo Hamburger 1890's.

This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html