How can i verify the authenticity of a mattel toy story product?

The only verified information available references the movie "Toy Story" as an entity and details about Barrett‑Jackson, an auction company unrelated to toy authenticity. No details about Mattel, toy authentication procedures, or related guidelines appear in the evidence. Consequently, we cannot offer specific steps or criteria for confirming a Toy Story toy’s authenticity based on the sources given. If authentication is needed, one would typically consult official Mattel documentation, reputable retailers, or recognized authentication services, but such instructions are not supported by the provided evidence.