This Autographed Magazine with the inscription of "Beatles (McCartney)" has been Personally Signed by John Lennon, George Harrison, Ringo Starr, and Paul McCartney of The Beatles. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. The authenticity can be verified on JSA website. Cultural Significance: "The Beatles Monthly Book" was a publication that provided fans with insights into the band during the peak of Beatlemania. This specific issue is part of a series that was published from 1963 to 1969, which included exclusive photos and stories about the band's activities during that time. The presence of signatures from all four members signifies its rarity as a collectible from the era when The Beatles held significant global influence.