The appraisal of bronze sculptures has evolved significantly over time, with traditional and contemporary methods offering distinct approaches to valuation and authentication. Traditional appraisal methods relied heavily on expert connoisseurship, where seasoned art historians and dealers would examine sculptures based on stylistic elements, patina, and historical documentation. This approach often involved comparing works to known examples and drawing from decades of hands-on experience.

In contrast, contemporary appraisal methods incorporate advanced scientific techniques to complement expert analysis. Tools like X-ray fluorescence (XRF) spectroscopy can determine the exact composition of bronze alloys, while thermoluminescence testing helps date castings. Digital imaging and 3D scanning allow for precise comparisons with authenticated works. Contemporary methods also leverage provenance research through blockchain technology and digital databases for more accurate tracking of ownership history.

While traditional methods emphasize the "eye" of the expert, contemporary approaches combine this expertise with verifiable scientific data. Modern appraisals tend to be more comprehensive, addressing challenges like sophisticated forgeries that might fool traditional examination. However, many top appraisal houses now use a hybrid approach, valuing both the irreplaceable knowledge of traditional connoisseurs and the objectivity of technological analysis. The evolution of these methods reflects the art market's increasing demand for transparency and verifiable authenticity in bronze sculpture valuation.