The Long Beach Free Press…published at the same time as the L.A. Free Press.
Said Wikipedia, “The Long Beach Free Press was a radical underground newspaper published in Long Beach, California bi-weekly from vol. 1, no. 1 (March 28-April 11, 1969) to vol. 2, no. 11 (Dec. 1970), in a tabloid format. It was an offshoot of the San Diego Free Press and shared writers and staff with the San Diego paper. Jan Diepersloot was the Editorial Coordinator for both papers. Like its sister paper the San Diego Free Press it had a Marcusean/Frankfurt School orientation toward youth liberation, cultural transformation and revolution. It folded around the same time that the San Diego paper, which had by that time been renamed Street Journal, ended its run.”
Which explains the adverts for San Diego-area businesses, but does not explain why the mailing label was to “Dispensary, Long Beach Naval Station.”