Leo IV the Khazar, AD 775-780 with Constantine VI, Leo III and Constantine V. AV solidus (4,43 g). Constantinople mint, struck AD 778-780. Leo IV and Constantine VI enthroned facing, Leo IV bearded on the left, and Constantine VI beardless on the right, both wearing crown, chlamys and holding akakia; cross above between their heads / Crowned facing busts of Leo III and Constantine V, each wearing loros; cross above and • between them. Areas of weak strike on reverse, otherwise, a well centered and lustrous specimen., SB 1584, DOC 2, Grade: 01, Ex Numismatica Ars Classia, auction 125, 23.6.2021, lot 825