: Often use unique prefixes like CC (Collector's Choice) or the artist's initials (e.g., JP for Jimmy Page).
Used for modern, non-reissue Custom Shop models like the Les Paul Custom or ES-355. CS Y RRRR CS: Stands for Custom Shop. gibson custom shop serial number lookup
In these cases, obtaining a and having the guitar examined by a recognized expert (e.g., Gruhn Guitars, Carter Vintage) is the only definitive path. : Often use unique prefixes like CC (Collector's