What is the license plate of the car in which John and Yoko ride in John Lennon's cover of Ben E King's classic 'Stand By Me'?

In John Lennon's cover of "Stand By Me," the license plate of the car in which John and Yoko ride is "BOLIVAR." This detail is visible in the music video and serves as a nod to the couple's playful and artistic style during that period. The plate has become a memorable aspect of the song's visual representation.