Verse 17. The salutation of Paul with mine own hand. See Barnes |1 Co 16:21|.
Which is the token in every epistle. Gr., sign. This signature is a sign or proof of the genuineness of the Comp. See Barnes |Ga 6:11|.
So I write. Referring to some mark or method which Paul had of signing his name which was well known, and which would easily be recognised by them.
{f} |salutation| 1 Co 16:21