New Revised Standard Version
Then another portent appeared in heaven: a great red dragon, with seven heads and ten horns, and seven diadems on his heads.

Contemporary English Version
Something else appeared in the sky. It was a huge red dragon with seven heads and ten horns, and a crown on each of its seven heads.

New American Bible
Then another sign appeared in the sky; it was a huge red dragon, with seven heads and ten horns, and on its heads were seven diadems.

Douay-Rheims Bible
And there was seen another sign in heaven. And behold a great red dragon, having seven heads and ten horns and on his heads seven diadems.

And there was seen another sign in heaven. And behold a great red dragon, having seven heads and ten horns and on his heads seven diadems.

wonder.

Revelation 12:1 And a great sign appeared in heaven: A woman clothed with the sun, and the moon under her feet, and on her head a crown of twelve stars.

a great.

Revelation 12:4,9,17 And his tail drew the third part of the stars of heaven and cast them to the earth. And the dragon stood before the woman who was ready to be delivered: that, when she should be delivered, he might devour her son. . . .

Revelation 13:2,4 And the beast which I saw was like to a leopard: and his feet were as the feet of a bear, and his mouth as the mouth of a lion. And the dragon gave him his own strength and great power. . . .

Revelation 16:13 And I saw from the mouth of the dragon and from the mouth of the beast and from the mouth of the false prophet, three unclean spirits like frogs.

Revelation 17:3,4 And he took me away in spirit into the desert. And I saw a woman sitting upon a scarlet coloured beast, full of names of blasphemy, having seven heads and ten horns. . . .

Revelation 20:2 And he laid hold on the dragon, the old serpent, which is the devil and Satan, and bound him for a thousand years.

Isaiah 27:1 In that day the Lord with his hard, and great, and strong sword shall visit leviathan the bar serpent, and leviathan the crooked serpent, and shall slay the whale that is in the sea.

Isaiah 51:9 Arise, arise, put on strength, O thou arm of the Lord, arise as in the days of old, in the ancient generations. Hast not thou struck the proud one, and wounded the dragon?

seven heads.

Revelation 13:1,3 And I saw a beast coming up out the sea, having seven heads and ten horns: and upon his horns, ten diadems: and upon his heads, names of blasphemy. . . .

Revelation 17:9,10 And here is the understanding that hath wisdom. The seven heads are seven mountains, upon which the woman sitteth: and they are seven kings. . . .

ten.

Revelation 17:3,7,12,16 And he took me away in spirit into the desert. And I saw a woman sitting upon a scarlet coloured beast, full of names of blasphemy, having seven heads and ten horns. . . .

Isaiah 9:15 The aged and honourable, he is the head: and the prophet that teacheth lies, he is the tail.

Daniel 2:42 And as the toes of the feet were part of iron, and part of clay: the kingdom shall be partly strong, and partly broken.

Daniel 7:7,8,20,24 After this I beheld in the vision of the night, and lo, a fourth beast, terrible and wonderful, and exceeding strong, it had great iron teeth, eating and breaking in pieces, and treading down the rest with his feet: and it was unlike to the other beasts which I had seen before it, and had ten horns. . . .

seven crowns.

Revelation 13:1 And I saw a beast coming up out the sea, having seven heads and ten horns: and upon his horns, ten diadems: and upon his heads, names of blasphemy.