The intentional and material alteration of a written instrument by one party to a contract without the consent of the others, releases those parties not consenting to the alteration from any liability on such instrument to the party making the alteration.14

12 Twenty-ninth Subject. Volume IX. 1313 Benjamin on Contracts, Sec. 96;

Butler vs. Miller, 1 Denio, 407,

410; Banorges vs. Hovey, 5 Mass., 11, 40; Baker vs. Baker, 25 N. J. L., 13, 18.