What I have is authentic I would like find out its value.
I would go to a sports memorbillia shop and ask if they can look at and declare it's an authentic item from the Olympics.
I feel you would need to find a sport memorabilia appraiser. The museum may be able to help or know who to ask, they also could be interested in what you have. Start there.
I don't think the museum provides that service but you could call and ask them for a recommendation. The staff there are knowledgeable.
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