Evaluating the long-term investment potential of a porcelain sculpture requires a multifaceted approach. First, consider the artist's reputation—works by renowned ceramicists or historically significant creators often appreciate steadily. Next, examine rarity; limited editions or discontinued pieces tend to hold greater value. The sculpture's condition is paramount—flaws significantly diminish worth, while pristine pieces command premiums.

Market trends play a crucial role. Research auction records and gallery sales to identify demand patterns for similar works. Cultural significance also matters; sculptures reflecting important artistic movements or historical periods often outperform generic pieces. Technical mastery—complex glazing, innovative forms, or exceptional craftsmanship—adds enduring value.

Provenance documentation enhances investment security, as authenticated pieces with clear ownership history reduce risk. Consider storage and insurance costs, as porcelain requires careful maintenance. Diversify across periods and styles to mitigate market fluctuations. Finally, consult specialized appraisers who understand the nuances of ceramic art valuation.

Remember, while porcelain sculptures can be excellent long-term investments, they should ideally be acquired for aesthetic appreciation first, with financial returns as a secondary benefit. The most successful collectors combine passion with disciplined market analysis.