Va. Code § 18.2-293.1: What article does not prohibit

Nothing contained in this article shall prohibit or interfere with:(1) The possession of a machine gun for scientific purposes, or the possession of a machine gun not usable as a weapon and possessed as a curiosity, ornament, or keepsake; and(2) The possession of a machine gun for a purpose manifestly not aggressive or offensive.Provided, however, that possession of such machine guns shall be subject to the provisions of § 18.2-295.Code 1950, § 18.1-263; 1960, c. 358; 1975, cc. 14, 15.