Constantine VI & Irene, 780-797. Seal (Lead, 28 mm, 20.35 g, 12 h). Єn OnOm... ("In the name of the Father, the Son and Holy Spirit") Large cross on steps. Rev. [COnS]TAnTIn/[O]S S EIRHnH / [PI]STOI bAS/[I]LIS ROm/AIOn in five or six lines. Unpublished in the standard references. A rare and important imperial seal type dated to the joint reign of Constantine VI and Irene, missing in the major seal collections. Short blank, otherwise, very fine.