KJV:
And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads:
NASB:
And he causes all, the small and the great, and the rich and the poor, and the free men and the slaves, to be given a mark on their right hand or on their forehead,
KJV:
And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name.
NASB:
and he provides that no one will be able to buy or to sell, except the one who has the mark, either the name of the beast or the number of his name.
KJV:
And the third angel followed them, saying with a loud voice, If any man worship the beast and his image, and receive his mark in his forehead, or in his hand,
NASB:
Then another angel, a third one, followed them, saying with a loud voice, "If anyone worships the beast and his image, and receives a mark on his forehead or on his hand,