Penal Code providing that in cities of the first and second class any person offering for sale real property without written authority shall be guilty of a misdemeanor, is unconstitutional, as improperly abridging the rights and privileges of citizens of one portion of the State with respect to a matter of contracts. Cody v. Dempsey, 83 N. Y. S. 899, 86 App. Div. 335; Grossmann v. Cominez, 79 N. Y. S. 900, 79 App. Div. 15. Statutes requiring such contracts to be in writing, in other States upheld. Baker v. Gillan, 68 Neb., 368, 94 N. W. 615; City of St. Louis v. McCann, 157 Mo. 301, 57 S. W. 1016; Kleine v. Marjorie Realty Co., 128 S. W. 980, 228 Mo. 607; Printz v. Mill 135 S. W. 19, 233 Mo. 47.