REX The Magazine Poster. The Magazine, was a specialty retailer in the heart of San Francisco dealing in back-date magazines, ephemera and erotica, that opened in the Spring of 1973 and closed in 2023. REX is an American illustrator who had his office at The Magazine for over 30 years. He was commissioned to make this poster in 1976 when The Magazine was located at 839 Larkin Street. Measures 13 x 16 inches