Mo. Rev. Stat. § 30.140
Seal.
30.140. Seal. — The state treasurer shall keep a seal of office, which shall be used to authenticate all writings, papers and documents certified from his office.
(RSMo 1939 § 13019, A.L. 1945 p. 1977 § 9) Prior revisions: 1929 § 11397; 1919 § 13294; 1909 § 11806