A ciborium is a sacred vessel for storing and transporting the consecrated bread and wine used for the Holy Eucharist outside the church. 

The silver ciborium is made in the shape of a temple. The base of the ark follows the shape of a cube. The tetrahedral pommel tent is crowned with a cupola with a four-pointed cross framed by four rays. The surface of the ciborium is gilded and decorated with carvings. On the sides the scenes of the Last Supper, Crucifixion, Ascension, and Resurrection are engraved, on the sides of the tent are the full figures of Saints Basil the Great, Gregory the Theologian, John Chrysostom, Gregory the Great (Dialogus, Pope). The nature of the compositional of individual scenes and some engraving techniques indicates the northern origin of this piece.

There is an inscription in the bottom along the edge:
‘IN THE SUMMER OF (7193–1684 / 85) YEAR, WAS BUILT THE BLESSED HOLY ARK IN THE CHURCH OF TRINITY IN THE SIYSKIY MONASTERY ON THE MONEY OF HIEROMONK NICHODIM FOR HIS PARENTS AND HIMSELF’.

Inscription on the bottom:
‘THE WEIGHT OF THIS CIBORIOM IS 4 POUNDS [52] OF GOLD NOT COUNTING THE MELTING LOSS’

On one side of the ciborium, under the image of the Crucifix, there are depressions with two arks covered with engraved images and inscriptions. On the front side of the right ark, there are carved images of the cross, chalice, communion spoon and the inscription: ‘THE HOLY CUP SPOON’.

On one side of the ciborium, under the image of the Crucifix, there are depressions with two arks covered with engraved images and inscriptions. On the front side of the right ark, there are carved images of the cross, chalice, communion spoon and the inscription: ‘THE HOLY CUP SPOON’.