442.260. The proof of the execution of any instrument inwriting, conveying real estate, or whereby any real estate may beaffected in law or equity, shall be:
(1) By the testimony of a subscribing witness; or
(2) When all the subscribing witnesses are dead or cannot behad, by evidence of the handwriting of the party, and of at leastone subscribing witness, given by at least two credible witnessesto each signature.
(RSMo 1939 § 3417)Prior revisions: 1929 § 3030; 1919 § 2189; 1909 § 2800