σφραγιστήριον
From LSJ
αἰτήσεις ἀκοὐεις σῶν ἱκετῶν· ταχἐως συνδραμεῖς ἀναπαὐων εὐεργετῶν· ἰάματα παρἐχεις, Ἱερἀρχα, τῇ πρὀς Θεὀν παρρησἰᾳ κοσμοὐμενος → You hear the prayers of your suppliants; quickly you come to their assistance, bringing relief and benefits; you provide the remedies, Archbishop, since you are endowed with free access to God.
English (LSJ)
τό, A seal, stamp, PLond.5.1657.13 (iv/v A.D.); = signaculum, signatorium, Gloss.
German (Pape)
[Seite 1052] τό, Siegel, Petschaft, Sp.