CNG Sale 56, Lot: 190. CONSTANTINE X. 1059-1067 AD. AV Histamenon (4.35 gm). Estimate $300. Sold For $275 CONSTANTINE X. 1059-1067 AD. AV Histamenon (4.35 gm). Christ enthroned on straight-backed throne / Constantine standing, holding labarum with pellet on shaft and cross on globe. DOC III 1b; SB 1847. EF, a scratch in reverse margin. ($300) Copyright © CNG 2002 From CNG Online Auction 56, closed January 8, 2003. Used by permission of CNG, www.cngcoins.com.