(1) If he is a lien creditor, a copy of the judgment under which he claims the right to redeem, certified by the clerk of the court where such judgment is docketed, or if he seeks to redeem upon a mortgage, the certificate of the record thereof.
(2) A copy of any assignment necessary to establish his claim, verified by the affidavit of himself or agent showing the amount then actually due on the judgment or mortgage.
(3) If the prior redemptioner or purchaser has a lien prior to that of the lien creditor seeking to redeem, such redemptioner or purchaser shall submit to the marshal the like evidence thereof and of the amount due thereon, or the same may be disregarded.