In an action to recover commissions for a sale of defendant's land, a contract entered into between plaintiff and a third person setting forth the terms of the purchase, was admissible to show that such third person was willing to purchase the property, though plaintiff had no authority to enter into a contract which was binding on defendant. Kepner v. Ford (N. Dak. '07), I11 N. W. 619; Clark v. Wilson, 41 Tex. Civ. App. 450, 91 S. W. 627.