Watch List notes:

Leo IV, the Khazar. 775-780 AD. Solidus, 4.43g (6h). Constantinople, c. 776-778 AD. Obv: LEOn VS [S ESSOn CONSTAnTInOS] O nEO Facing busts of Leo IV, with short beard (on left) and Constantine VI, beardless (on right), each wearing crown and chlamys; between their heads, pellet; in field above, cross. Rx: LEOn PAP' COnSTANTInO[S PATHR] Facing busts of Leo III (on left) and Constantine V (on right), both with short beard, each wearing crown and loros; between their heads, pellet; in field above, cross. Berk 232. Sear 1583. DO 1. VF+

Ex Helianthus annuus Collection. Ex Andre C. Dimitriadis Collection. Ex William Herbert Hunt Collection (Sotheby's New York, 21 June 1991), lot 545 (part of)