Any deed executed by a county clerk of any county purporting to convey real estate bid in and purchased by the county in any tax foreclosure action and sold by the county commissioners at a reduced price as authorized by Kan. Stat. Ann. § 79-2804f, and acts amendatory thereof, which deed has been recorded in the office of the register of deeds of the county in which such property is situated prior to July 1, 1960, shall be valid notwithstanding any failure of or defects in advertising the sale of such real estate prior to execution and delivery of such deed as provided in said Kan. Stat. Ann. § 79-2804f: Provided, That any person desiring to present proof of invalidity or partial invalidity of any such deed based on such failure of or defect in advertising shall have one (1) year after the effective date of this act within which to bring proceedings attacking such deed.