Section 19. No sale of real estate under license of court, and no title thereunder, shall be avoided for the reason that the deed was not delivered within one year after the license, or on account of any irregularity in the proceedings, if it appears—
First, That the license was granted by a court of competent jurisdiction;
Second, That the person licensed gave a bond approved by the court or judge granting such license, if a bond was required;
Third, That the notice of the time and place of sale was given according to the order of the court; and
Fourth, That the property was sold by public auction in accordance with the notice, and is held by one who purchased it in good faith.