There are 6 meanings shown in OED's entry to the noun masthead, two of which can be labelled out of date. See ‘Which means & use’ for definitions, usage, and quotation evidence. This information and facts could consist of facts in regards to the date if the piece was posted, https://nimmansocial.com/story6541371/the-smart-trick-of-masthead-that-no-one-is-discussing