so that no one may buy or sell, unless he has the character, or the name of the beast, or the number of his name
Other versions
King James Version
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.English Standard Version
so that no one can buy or sell unless he has the mark, that is, the name of the beast or the number of its name.New International Version
so that no one could buy or sell unless he had the mark, which is the name of the beast or the number of his name.