Authenticating the age and origin of antique porcelain sculptures is a meticulous process that combines scientific analysis, historical research, and expert appraisal. Collectors and specialists rely on several key methods to verify authenticity.

First, material composition analysis helps identify the clay and glaze used, as different regions and time periods employed distinct formulas. Techniques like X-ray fluorescence (XRF) can detect trace elements unique to specific kilns or eras.

Second, craftsmanship details—such as brush strokes, molding techniques, and firing marks—reveal the artist's hand and period-specific styles. Experienced appraisers compare these features with documented examples from reputable collections.

Third, historical records, including kiln logs, imperial decrees, or trade documents, provide contextual evidence. Porcelain marked with reign seals or workshop stamps can often be traced to precise decades.

Lastly, patina and wear patterns offer clues. Natural aging creates subtle cracks (known as "crazing") and oxidation layers that are difficult to replicate artificially.

For collectors, consulting certified experts and scientific laboratories is crucial to avoid forgeries. Combining these methods ensures accurate authentication, preserving both the value and heritage of antique porcelain masterpieces.