Genuine Custom Shop guitars almost always include a Certificate of Authenticity (COA) that matches the headstock number. Gibson Serial Numbers
A CS 9 could be 1999, 2009, or 2019. To differentiate, look for: gibson custom shop serial number lookup
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: Tone Wolf's Gibson Dating Guide is excellent for identifying whether your Custom Shop serial should be ink-stamped (reissue style) or impressed, based on the year it was made. Common Custom Shop Formats Genuine Custom Shop guitars almost always include a
Decoding a Gibson Custom Shop serial number is generally a straightforward process using the system for standard run models. However, for high-value transactions involving Historic Reissues, relying solely on the headstock number is insufficient. It is best practice to cross-reference the headstock serial with the Certificate of Authenticity , the Control Cavity Batch Tag , and the Official Gibson Database to ensure the instrument is genuine. Common Custom Shop Formats Decoding a Gibson Custom