7 Of The Most Valuable Musician Autographs Autograph collecting is a fascinating hobby, especially when it comes to famous musicians whose signatures have skyrocketed in value due to their influence, scarcity, and cultural significance. Musician autographs, particularly those of iconic figures, can be some of the most valuable collectibles in the world. Freddie Mercury's autograph lands on many collector's most-desired lists The rarity of the autograph, the musician's global impact, and sometimes even the circumstances su...