Here are a few general points to consider:
1. Condition: The overall condition of the album will significantly impact its value. A well-preserved copy with minimal wear and tear will be more valuable than one with significant damage or signs of wear.
2. Provenance: The provenance, or history, of the signed album is crucial in determining its authenticity and value. If it can be clearly established that the signatures are genuine and obtained directly from the band members, the album's value will be higher.
3. Significance of Signatures: The value of a signed album is also influenced by the specific band members who signed it. Signatures from all five original members of the Rolling Stones (Mick Jagger, Keith Richards, Charlie Watts, Ronnie Wood, and Bill Wyman) will typically command a higher price compared to partial signatures.
4. Market Demand: The overall demand for signed copies of "Black and Blue" will also affect its value. If there is a high demand for signed copies and a limited supply, the album's value will be driven up.
5. Authentication: For a signed copy of "Black and Blue" to hold its value, it's important to ensure its authenticity. Authenticated copies may come with certificates of authenticity from reputable sources, such as the band's management or record label.
Considering all these factors, the value of a signed copy of the Rolling Stones' "Black and Blue" album could range from a few hundred to several thousand dollars. It's best to consult with experts in music memorabilia or get an appraisal from a reputable source to determine its exact value.