A. Expert testimony or other ancillary evidence is not required to determine obscenity if the allegedly obscene item has been placed in evidence. The item itself is the best evidence of what it represents.
B. If a person relied upon a rating given to a film or motion picture by the motion picture association of America or an equivalent rating association, the rating and evidence concerning the person's reliance on such rating shall be admissible in evidence in a trial for violation of this article.