On the sides of the inner case there is an Old Russian inscription: "This is the Cross of Christ and His Blood and the Robe and the Sepulchre and the Robe of the Mother of God". The external case is decorated by the images of Archangel Michael with the first Russian Saints - princes Boris and Gleb on front. The reliquary could be made in Tver in memory of the Tver prince Mikhail Jaroslavich, after his death in the Golden Hoard in 1318. Old Rus', first half 13th C. - inner case; Tver (?), early 14th C. - external case