Note 430 — Chapter VII · The Extension of Federal Control through Exclusion from the Mails

37 Stat. L. 553. A separate and concluding paragraph provides: “That all editorial or other reading matter published in any such newspaper, magazine or periodical, for the publication of which money or other valuable consideration is paid, accepted, or promised, shall be plainly marked ‘advertisement.’ Any editor or publisher printing editorial or other reading matter for which compensation is paid, accepted, or promised, without so marking the same, shall, upon conviction in any court having jurisdiction, be fined not less than fifty dollars ($50) nor more than five hundred dollars ($500).”