How to verify authenticity of toy story toys?

The only evidence provided references the Toy Story franchise generally and Kenner Star Wars action figures, without any details about Toy Story toy authenticity. Therefore, I cannot provide specific guidance on authentication methods or criteria for Toy Story collectibles. If you are seeking reliable information, you should consult reputable sources such as official toy manufacturer documentation, reputable collector guides, or specialist authentication services. Until such verified details are available, it is not possible to offer a definitive answer.