Revelation 8:3

Then another angel, who held a golden incense holder, came and stood at the Altar. He was given a quantity of incense to add to the prayers of all the saints [as an offering] on the golden Altar, which was in front of the throne.

Revelation 9:13

And the sixth angel sounded its trumpet, and I heard a voice coming from the four horns [i.e., corners] of the golden Altar, which is in front of God.

Treasury of Scripture Knowledge

Summary

And Solomon made all the vessels that were for the house of God, the golden altar also, and the tables whereon the shewbread was set;

Bible References

The golden

Revelation 8:3
Then another angel, who held a golden incense holder, came and stood at the Altar. He was given a quantity of incense to add to the prayers of all the saints [as an offering] on the golden Altar, which was in front of the throne.
Revelation 9:13
And the sixth angel sounded its trumpet, and I heard a voice coming from the four horns [i.e., corners] of the golden Altar, which is in front of God.