With a distinguished background as brokers, dealers, and authenticators within the entertainment industry, Signatures Worldwide stands as the only brokerage website globally that specializes exclusively in music-related autographs and signed guitars. This dedicated focus has earned Signatures Worldwide a strong reputation as a trusted authority in the authentication of music and entertainment memorabilia—ranging from legends like Paul McCartney, The Rolling Stones, and Bruce Springsteen to KISS.
Decades of dedicated research and industry experience have positioned Signatures Worldwide as a go-to resource for independent experts seeking verification and appraisal of signed memorabilia. Our appraisal services, including a written Letter of Authenticity, are priced between €90 and €150.
(Learn more about our authentication and appraisal process here.)
At Signatures Worldwide, we take pride in offering a curated selection of rare autographs and signed guitars. These pieces are not only collectible and visually striking but also serve as sound investments that tend to appreciate in value over time. However, true value is fundamentally rooted in authenticity.
While some collectors prefer autographs they have witnessed being signed, most seasoned collectors place their trust in reputable dealers with proven histories of accuracy and integrity. We strongly encourage all buyers to evaluate a few key criteria when considering a purchase—foremost among them, the reliability of the source, the presence of a Certificate of Authenticity (COA), and supporting documentation.
All items featured on our platform come with thorough documentation, including signed affidavits detailing the provenance of the autograph—where and when it was acquired.
Experienced collectors understand that verifying a celebrity’s autograph is a nuanced process. Signatures can vary significantly, particularly when obtained "on the run" versus in formal signing sessions. These variations—such as changes in slant, spacing, and letter articulation—are normal. Still, the use of exemplars (authenticated signature samples) remains the cornerstone of reliable verification.
Our team of experts carefully evaluates every autograph by comparing it against an extensive database of exemplars. This process, combined with insights into the artist’s signing habits and contextual knowledge, ensures the highest level of accuracy and trust.
At Signatures Worldwide, you’re not only acquiring a signed item—you’re investing in a product backed by decades of expertise and a solid reputation for excellence. You can purchase with confidence, knowing you’re receiving a genuine and high-quality collectible.