(Drugs: LSD) LSD-25: Reality=Illusion. Psychedelic Poster Circa Mid-Late 1960s. [No place]: [Publisher not identified], circa mid-late 1960s. Vintage psychedelic poster measuring 16" x 12" printed on pink rice paper. First synthesized by Albert Hofmann (1906-2008) in 1938, LSD was the 25th of various lysergamides Hofmann synthesized from lysergic acid. As it turned out, the 25th time was the charm! Vintage poster from the era of the "Acid Test;" with minor soft creasing. The condition of the poster is NEAR FINE. # 001219