T0857: LEO IV the Khazar, with CONSTANTINE VI. 775-780. AE follis. Stock No. T0857 AE follis (25mm, 6.26g). Constantinople mint. Struck 778-780. Crowned facing busts of Leo IV and Constantine VI; cross between their heads / Crowned facing busts of Leo III and Constantine V; B A across field, all above horizontal bar below which M between X and N. SB 1586. DOC 4. VF green patina. US$ 350 € 264,33 £ 221,65 SFr. 345,69 Rates for 12/8/2010 This stunning coin courtesy of John Jencek on vcoins.com, Dec. 2010