Saint Louis, Mo., Municipal Code ch. 18, art. 2, § 1471 (1892)

Sec. 1470. Carrying slung shots, etc.—penalty.—Whenever there shall be found upon the person of any one who has been found guilty of a breach of the peace, or of conduct calculated to provoke a breach of the peace, any slung shot, colt, or knuckles of lead, brass or other metal; or when upon trial, evidence shall be adduced proving that such weapons were in the possession or on the person of any one while in the act of commission of the acts aforesaid, such person shall be deemed guilty of a misdemeanor, and on conviction thereof, shall be fined not less than twentyfive dollars nor more than five hundred dollars. Sec. 1471. Concealed weapons—carrying of, prohibited.—Hereafter it shall not be lawful for any person to wear under his clothes, or concealed about his person, any pistol or revolver, colt, billy, slung shot, cross knuckles, or knuckles of lead, brass or other metal, bowie knife, razor, dirk knife, dirk, dagger, or any knife resembling a bowie knife or any other dangerous or deadly weapon, within the City of St. Louis, without written permission from the mayor ; and any person who shall violate this section shall be deemed guilty of a misdemeanor, and upon conviction thereof, be fined not less than ten nor more than five hundred dollars for each and every offense. Sec. 1472. Weapons may be worn by officers, when.—Nothing in the next preceding section shall be so construed as to prevent any United States, state, county or city officer, or any member of the city government, from carrying or wearing such weapons as may be necessary in the proper discharge of his duties.