1921 and 22 advertising silent movies on an odd eye catching car on the Market Street crossing of the Schuylkill River, near 30th Street Station. The 1921 silent film The Four Horsemen of the Apocalypse, starring Rudolph Valentino.

another photo of this exists, from a newspaper, but only on Facebook pages, and after wasting an hour to try to dig it out of several pages, I'm giving up, and posting this thumbnail of the much larger image

https://www

.etsy.com/listing/570073755/handsome-large-print-silent-movie-era