Did not this crown refer to the kingly office, as well as the priestly office, of the Lord Jesus? Zechariah 6:11-13. And Jesus intercedes as one that hath power with God, and must prevail. His language is, Father I will. John 17:24.
Related Commentaries of Exodus 30:4
Exodus 30:4
4 And two golden rings shalt thou make to it under the crown of it, by the two cornersb thereof, upon the two sides of it shalt thou make it; and they shall be for places for the staves to bear it withal.