Revelation 12:3 And there appeared another wonder in heaven; and behold a great red dragon, having seven heads and ten horns, and seven crowns upon his heads. MC VC

Revelation 13:1 And I stood upon the sand of the sea, and saw a beast rise up out of the sea, having seven heads and ten horns, and upon his horns ten crowns, and upon his heads the name of blasphemy. MC VC

Revelation 17:9 And here is the mind which hath wisdom. The seven heads are seven mountains, on which the woman sitteth. MC VC