This in-person signed vinyl LP of Chicago’s Greatest Hits features autographs from Robert Lamm, Lou Pardini, and Lee Loughnane. Known for hits such as 25 or 6 to 4 and If You Leave Me Now, this signed album is a rare collectible for fans of the legendary rock band. Professionally authenticated, the signatures are preserved with exceptional clarity, and the album includes the original vinyl. Its very good condition and striking presentation make it a standout addition to any Chicago memorabilia collection or classic rock archives. Certified authentic by Beckett Authentication Services (BAS), this collectible is fully verified and highly prized by collectors. Serial number A01025.