Revelation 5:1

1AndΚαὶI sawεἶδονonἐπὶtheτὴνright handδεξιὰνof the [One]τοῦsittingκαθημένουuponἐπὶtheτοῦthroneθρόνουa scrollβιβλίονhaving been writtenγεγραμμένονinsideἔσωθενandκαὶon [the] backὄπισθεν,having been sealedκατεσφραγισμένονwith sealsσφραγῖσινsevenἑπτά.

And I saw on the right hand of the One sitting upon the throne a scroll, written inside and on the back, sealed up with seven seals.