Every person, firm, corporation or association guilty of a violation of any one of the preceding sections of this Article, and every officer, manager, director or managing agent of any such person, firm, corporation or association directly participating in such violation or consenting thereto, shall be guilty of a Class 1 misdemeanor:? Provided, that if the person charged with violation of this Article shall prove that the article concerning which the charge was made was manufactured prior to June 13, 1907, then the charge shall be dismissed.? (1907, c. 331, s. 5; C.S., s. 4016; 1993, c. 539, s. 591; 1994, Ex. Sess., c. 24, s. 14(c).)