Auction houses employ a meticulous process to determine the valuation of rare or one-of-a-kind porcelain sculptures, combining art historical expertise, market trends, and scientific analysis. Key factors include provenance, which traces the sculpture’s ownership history, and condition—flawless pieces command higher prices. Rarity plays a pivotal role; limited editions or unique designs often fetch premium bids. Auction specialists also compare recent sales of similar works to gauge market demand. Scientific techniques like thermoluminescence testing may authenticate age, while expert appraisers assess artistic merit. The final valuation reflects a blend of these elements, ensuring collectors and investors receive accurate, competitive estimates.