* The seal is a symbol close to that of anointing. "The Father has set his seal" on Christ and also seals us in him. (John 6:27; cf. 2 Corinthians 1:22; Ephesians 1:13; Ephesians 4:3) Because this seal indicates the indelible effect of the anointing with the Holy Spirit in the sacraments of Baptism, Confirmation, and Holy Orders, the image of the seal (sphragis) has been used in some theological traditions to express the indelible "character" imprinted by these three unrepeatable sacraments.

* The hand. It is by the Apostles' imposition of hands that the Holy Spirit is given. The Letter to the Hebrews lists the imposition of hands among the "fundamental elements" of its teaching. The Church has kept this sign of the all-powerful outpouring of the Holy Spirit in its sacramental epicleses.

* The finger. "It is by the finger of God that [Jesus] cast out demons." If God's law was written on tablets of stone "by the finger of God," then the "letter from Christ" entrusted t