This is something I've seen spoken about but I haven't seen anyone make the following connection yet. I know the sign was supposed to have been bought from another business, but I feel like this connection is a bit too much of a coincidence for it to be dismissed.

The moon and star is frequently depicted in images of Baphomet, an idol worshipped by the Knights Templar https://en.m.wikipedia.org/wiki/Baphomet

According to that wiki page, the occultist Aleister Crowley believed that 'Baphomet is further a representative of the spiritual nature of the spermatozoa while also being symbolic of the "magical child" produced as a result of sex magic'