Watch List notes:

LEO IV, the Khazar, (775-780) with Constantine VI (from 775), Leo III and Constantine V, gold solidus, (4.48 g), Constantinople mint, issued 780-787, obv. facing seated on ornamental throne, busts of Constantine VI on right and Leo IV on left, each wearing crown and chlamys, large cross between, around LEON VS S ESSON CONSTANTINOS O NEOS, rev. large facing bust of Leo III and Constantine V, wearing crown and loros, cross between, around LEON PAP'CONST ANTINOS PATHR], (S.1584, DOC 2.1-2.9, Fueg 1.B.2 [same dies as illustrated], T.5-7, R.1767). With full mint bloom, extremely fine and rare.

Ex CNG Triton XVI Auction Sale, January 7, 2013 (lot 1290) with ticket, it realised $1400 + US.