Verses with the word seal in the Apocrypha (3 verses):

2 Esdras 10:23
And, which is the greatest of all, the seal of Sion hath now lost her honour; for she is delivered into the hands of them that hate us.

Sirach 22:27
Who shall set a watch before my mouth, and a seal of wisdom upon my lips, that I fall not suddenly by them, and that my tongue destroy me not?

Bel and the Dragon 1:11
So Bel's priests said, Lo, we go out: but thou, O king, set on the meat, and make ready the wine, and shut the door fast and seal it with thine own signet;