Constantinus VI, 780-797, and Irene with Leo III, Constantinus V und Leo IV. Solidus 790/792, Constantinople. Crowned bust of Constantinus V in chlamys on left, facing, and holding globus cruciger in right hand, on right, bust of his mother Irene in loros, wearing elaborate crown, cross above. Rv. Crowned figures of Constantinus V, Leo III and Leo IV seated facing, all wearing chlamys. 4.42 g. Sear 1591. DOC 2 a. Very rare. Very fine. (~€ 1580/USD 1820)