(815 ILCS 105/10) (from Ch. 17, par. 611)
    Sec. 10. If any fraud or circumvention be used in obtaining the making or executing of any of the instruments aforesaid, such fraud or circumvention may be pleaded in bar to any action to be brought on any such instrument so obtained, whether such action be brought by the party committing such fraud or circumvention, or any assignee of such instrument.
(Source: R.S. 1874, p. 718.)