§ 450-a. Unauthorized sale of cemetery markers and flag holders. Except for a veterans' organization, those businesses which normally carry on such trade, or are authorized by veterans' organizations to do so, it shall be unlawful for any person, firm, association or corporation to engage in the buying or selling of metal cemetery markers and flag holders bearing the insignia of any veterans' organization placed upon the graves of veterans. A violation of the provisions of this section shall constitute a violation and shall be punishable by a fine of not more than five hundred dollars or not more than fifteen days imprisonment or both.