Revelation 9:13
And the sixth angel blew the trumpet, and I heard one voice from the horns of the golden altar [that is] before God
Exodus 30:2-3
a cubit its length and a cubit its width--it will be square--and two cubits its height, its horns {of one piece with it}.
Hebrews 9:24
For Christ did not enter into a sanctuary made by hands, a [mere] copy of the true [one], but into heaven itself, now to appear in the presence of God on our behalf,
Hebrews 10:21
and [since we have] a great priest over the house of God,
Revelation 8:3-5
And another angel who had a golden censer came and stood at the altar, and a large amount of incense was given to him, in order that he could offer the prayers of all the saints on the golden altar that [is] before the throne.
Revelation 9:1
And the fifth angel blew the trumpet, and I saw a star that had fallen from heaven to the earth, and the key of the shaft of the abyss was given to him.