Any deed executed by a sheriff, administrator, executor, guardian or other officer of the court pursuant to proceedings in the district court or probate court of Elk county, Kansas, prior to October 24, 1906, which deed has been recorded in the office of the register of deeds, and the records of such proceedings were destroyed by fire on such date, is hereby confirmed and validated and the title conveyed by any such deed is hereby declared to be merchantable to the extent of the interest therein conveyed: Provided, That any person desiring to present proof of the invalidity or partial invalidity of any such deed or of such proceedings shall have one year after the effective date of this act within which to file proceedings attacking such deed or proceedings.