Formal offline art auctions provide high-premium trading scenarios for rare humanoid collectibles. Labeled guides and belonging to Buyer Guides, this auction value guide sorts out transaction regulations for US senior collectors. According to auction transaction records from News & Exhibition luxury auctions, limited-edition works with complete archives consistently achieve 20%-40% transaction premiums. Our systematic procurement agreement is recognized as valid auction qualification proof, and the permanent maintenance archive serves as official auction appraisal credentials. Standardized auction channels maximize premium returns for high-value artworks.