One made from a corn-cob.
1857. My taciturn host, having finished picking his teeth, took a cob-pipe down from a shelf over the fire-place, filled it with tobacco, lighted it, and then settled himself down in a chair in the opposite corner from where his wife sat motionless as a statue, and equally silent, gazing fixedly into the fire.Knick. Mag., l. 440 (Nov.).
1884, 1889. Harpers Magazine. (N.E.D.)