Matthew Henry on Leviticus 27:1-13
This is part of the law concerning singular vows, extraordinary ones, which though God did not expressly insist on, yet, if they were consistent with and conformable to the general precepts, he would be well pleased with. Note, We should not only ask, What must we do, but, What may we do, for the glory and honour of God? As the liberal devises liberal things (Isa 32:8), so the pious devises pious things, and the enlarged heart would willingly do something extraordinary in the service of so good a Master as God is. When we receive or expect some singular mercy it is good to honour God with some singular vow.
I. The case is here put of persons vowed to God by a singular vow, Lev 27:2. If a man…
Read the whole note in the consoleJamieson-Fausset-Brown on Leviticus 27:9
if it be a beast, whereof men bring an offering unto the Lord--a clean beast. After it had been vowed, it could neither be employed in common purposes nor exchanged for an equivalent--it must be sacrificed--or if, through some discovered blemish, it was unsuitable for the altar, it might be sold, and the money applied for the sacred service. If an unclean beast--such as an ass or camel, for instance, had been vowed, it was to be appropriated to the use of the priest at the estimated value, or it might be redeemed by the person vowing on payment of that value, and the additional fine of a fifth more.
Adam Clarke on Leviticus 27:11
Any unclean beast - See on Lev 27:2 (note).
John Gill on Leviticus 27:12
And the priest shall value it, whether it be good or bad,.... Put a price upon it according to its worth, as it shall appear to him:
as thou valuest it, who art the priest, so shall it be; that shall be the price at which it shall be sold, not to the owner or devoter of it, for he must give more, as appears from Leviticus 27:13; but, as Jarchi observes, to all other men who come to purchase it.
Keil & Delitzsch