Anyone with even the most cursory working knowledge of The Beatles will feel they know Magical Mystery Tour: roll up!, the bus careering round the racetrack, and all that. Yet it has rarely been ...

The Beatles wrote quite a few songs about marijuana, though some of them are vague enough to fly under the radar.

The coin's design features the psychedelic "magic piano" featured in the 1967 Magical Mystery Tour film, music notes chosen by McCartney, a bass guitar and the logo of his post-Beatles band Wings.