Watch List notes:

BYZANTINE EMPIRE: Leo IV, the Khazar, 775-780, AV solidus (4.46g), Constantinople, S-1583, busts of Leo IV with short beard and Constantine VI beardless, each wearing crown & chlamys // busts of the previous Leo III and Constantine V, bold with short beards, each wearing crown & loros, minor weakness near the edge, EF.

Estimate: 450-550 USD