Ephesians 1:13

in whom you also hoped after you heard the word of truth, the gospel of your salvation: in whom, after you also believed, you were sealed with the Holy Spirit of promise,

Ephesians 4:30

and grieve not the Holy Spirit of God, with which you have been sealed for the day of redemption.

2 Timothy 2:19

But the foundation of God stands firm, having this inscription: The Lord knows those who are his; and, Let every one that names the name of Christ depart from iniquity.

Revelation 7:2

And I saw another angel ascending from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea,

Treasury of Scripture Knowledge

Summary

With the work of an engraver in stone, like the engravings of a signet, shalt thou engrave the two stones with the names of the children of Israel: thou shalt make them to be set in ouches of gold.

Bible References

Engravings of a signet

Ephesians 1:13
in whom you also hoped after you heard the word of truth, the gospel of your salvation: in whom, after you also believed, you were sealed with the Holy Spirit of promise,
Ephesians 4:30
and grieve not the Holy Spirit of God, with which you have been sealed for the day of redemption.
2 Timothy 2:19
But the foundation of God stands firm, having this inscription: The Lord knows those who are his; and, Let every one that names the name of Christ depart from iniquity.
Revelation 7:2
And I saw another angel ascending from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea,