In any prosecution for obscenity it is an affirmative defense that dissemination was restricted to:

(1) Institutions or persons having scientific, educational, governmental or other similar justification for possessing obscene material; or

(2) Noncommercial dissemination to personal associates of the accused who are known by the accused not to object to the receipt of such material.

11 Del. C. 1953, § ?1362; 58 Del. Laws, c. 497, § ?1;