What Paul McCartney and Wings album had a Braille message on the back cover?

The Paul McCartney and Wings album that featured a Braille message on the back cover is "Back to the Egg," released in 1979. The Braille message reads "The End of the End," which adds a unique touch to the album's artwork. This creative choice reflected McCartney's interest in accessibility and inclusivity in music. The album itself showcases a blend of rock and pop influences, typical of McCartney's work.