Bible Verses About Seals: Appropriation of saints to God by the Spirit

Who hath also sealed vs, and hath giuen the earnest of the Spirit in our hearts.

In whom also ye haue trusted, after that ye heard the worde of trueth, euen the Gospel of your saluation, wherein also after that ye beleeued, ye were sealed with the holy Spirite of promise,

And grieue not the holy Spirit of God, by whom ye are sealed vnto ye day of redemption.