γραμματοφυλάκιον
From LSJ
Βοηθὸς ἴσθι τοῖς καλῶς εἰργασμένοις → Bonis inceptis addas auxilium tuum → Erweise dich als Helfer dem, was gut getan
English (LSJ)
[ᾰκ], τό,
A a place for keeping records, Plu.Arist.21, OGI669.23 (i A. D.), IG5(2).516 (Lycosura, i A. D.), 5(1).20 (Sparta, ii A. D.): in pl., τὰ τῆς πόλεως γ. BGU913.4 (iii A. D.). II deed-box, EM412.38.