What are the best places to find rare toy story items?

The only verified information available is a general reference to the Toy Story franchise and a Wikipedia article describing the plot and production of Toy Story 2. Neither source contains details about collectible markets, auctions, specialty stores, or online platforms where rare Toy Story merchandise might be sourced. Without additional evidence, it is not possible to recommend particular venues for locating such items. Collectors typically rely on specialized toy conventions, reputable auction houses, and licensed retailers, but these options are not documented in the cited material.