Primary phase, 680-710 AD. Silver, 1.16 grams. 12.90 mm. Diademed bust right, shoulders to the edge breaking beaded border. VANTAVMA, legend around. R. Bird on cross between two annulets within a beaded serpent border. Pellets below cross. Blundered legend around, three annulets below. Ref: Abramson 16-10. Obverse as series BX. Abramson 15-10.