Cross reference
Revelation 2:8
8 "To the angel of the assembly in Smyrna write: "The first and the last, who was dead, and has come to life says these things:
Revelation 1:17-18
17 When I saw him, I fell at his feet like a dead man. He laid his right hand on me, saying, "Don't be afraid. I am the first and the last,
18 and the Living one. I was dead, and behold, I am alive forevermore. Amen. I have the keys of Death and of Hades.
Revelation 1:8
8 "I am the Alpha and the Omega,{TR adds "the Beginning and the End"}" says the Lord God,{TR omits "God"} "who is and who was and who is to come, the Almighty."
Revelation 1:11
11 saying, "{TR adds "I am the Alpha and the Omega, the First and the Last."}What you see, write in a book and send to the seven assemblies{TR adds "which are in Asia"}: to Ephesus, Smyrna, Pergamum, Thyatira, Sardis, Philadelphia, and to Laodicea."
Revelation 2:1
1 To the angel of the assembly in Ephesus write: "He who holds the seven stars in his right hand, he who walks among the seven golden lampstands says these things: