Revelation 6:6-7

And I heard a voice in the midst of the four beasts say, A measure of wheat for a penny, and three measures of barley for a penny; and {see} thou hurt not the oil and the wine. {A measure: the word choenix signifieth a measure containing one wine quart, and the twelfth part of a quart} And when he had opened the fourth seal, I heard the voice of the fourth beast say, Come and see.