Leo IV the Khazar, with Constantine VI, Leo III, and Constantine V, 775-780. Follis (Bronze, 24 mm, 4.61 g, 6 h), Constantinople, 778-780. Leo IV and Constantine VI, both wearing crown and chlamys, seated facing on a double throne with curved arms; cross in field above. Rev. Crowned facing busts of Leo III and Constantine V, both wearing loros, set on horizontal bar; cross in field above, two pellets to left, three pellets to right; below, MA, flanked by X and N. DOC 6.5-6. SB 1587. Green-brown surfaces. Good fine.