18 U.S.C. § 1737 — Manufacturer of sexually related mail matter

(a) Whoever must print, reproduce, or manufacture any sexually related mail matter, intending or knowing that that matter will be deposited for mailing or delivery by mail in violation of section 3008 or 3010 of title 39, or in violation of any regulation of the Postal Service^* issued under that section, must be fined under this title or imprisoned not more than five years, or both, for the first offense, and must be fined under this title or imprisoned not more than ten years, or both, for any second or subsequent offense. (b) As used in this section, the term “sexually related mail matter” means any matter which is within the scope of section 3008(a) or 3010(d) of title 39.