Festival and Artist: The reputation and significance of the jazz festival and the artist who created the poster can have a significant impact on its value. Posters from renowned festivals like the Monterey Jazz Festival or the Newport Jazz Festival, or posters created by famous jazz artists like Miles Davis or Art Blakey, tend to be more valuable.
Condition: The condition of the poster is crucial in determining its worth. A poster that is in excellent condition, with no tears, folds, or water damage, will be more valuable than one that is damaged or worn. The fact that the poster has never been taken out of its shipping container suggests that it may be in good condition, but it's important to confirm this by carefully examining the poster.
Numbered Edition: The fact that the poster is numbered indicates that it is part of a limited edition, which can add to its value. The total number of posters in the edition and the scarcity of the poster in the market can influence its worth.
Stamp on Container: The stamp on the shipping container may provide additional information about the poster's authenticity or provenance, which could potentially increase its value. For instance, if the stamp is from a reputable art gallery or jazz organization, it can add credibility to the poster.
Given these factors, the value of a 2000 Jazz Festival poster that is numbered, in excellent condition, never taken out of the shipping container, and has a stamp on the container could range from a few hundred dollars to several thousand dollars. However, it's essential to consult with reputable art dealers or specialists in jazz festival posters to obtain a more accurate valuation.