Phocas AE Decanummium (10 Nummi). AD 602-610, Constantinople. 3.88 g. 

DM FOCA PP AVG, crowned, draped, cuirassed bust facing.
Large X, star (or ornate chi-rho)above. No mintmark.

SB 646 var (star instead of cross); DOC 39 var (ditto); 	Gorny & Mosch 237, 2214.	

Sold by Gorny & Mosch auction 237, Lot 2214, March 2016.