The sheriff shall, subject to the provisions of section 141.940, execute to the purchasers of real estate under sections 141.820 to 141.970, a deed for the property sold, which shall be acknowledged before the circuit court of the city not within a county, as in ordinary cases, and which shall convey a title in fee to such purchaser of the real estate therein named, and shall be prima facie evidence of title, and that the matters and things therein stated are true.