I Want to Believe 2

The poster is a prominent feature of Mulder's basement office throughout the series, and its message reflects his core belief system. The poster was reportedly purchased by Mulder from a head shop on M Street in Washington, D.C., according to the show's lore. It's worth noting that there have been different versions of the poster used on the show, some with minor differences in detail and clarity. The original photograph used for the poster is credited to Eduard Albert "Billy" Meier, who claimed it depicted an authentic alien spacecraft.