An agent to receive bids for property, who has no authority to consummate a sale, can not appoint a sub-agent so as to bind the principal for commissions on a sale made to a purchaser found by such sub-agent. Jones v. Brand, 106 Ky. 410, 20 Ky. L. R. 1997, 50 S. W. 679. See also Secs. 381, 395.