Determining the authenticity and provenance of a metal sculpture is a meticulous process that combines art historical research, scientific analysis, and expert scrutiny. Collectors and appraisers rely on multiple methods to verify a piece's legitimacy.

First, provenance research is crucial. Documentation such as invoices, exhibition records, or previous ownership history helps trace the sculpture's origins. Auction catalogs, gallery records, and artist archives are valuable resources for establishing a clear lineage.

Material analysis also plays a key role. Techniques like X-ray fluorescence (XRF) and metallurgical testing can identify the alloy composition, patina, and aging patterns, revealing whether the materials align with the artist's known practices or the claimed era.

Stylistic examination by art experts assesses the craftsmanship, signature marks, and artistic consistency with the sculptor's body of work. Forgeries often exhibit subtle deviations in technique or design elements.

Additionally, advanced technologies like 3D imaging and microscopic inspection help detect restoration work or modern tool marks that may indicate tampering. Consulting with specialists, including the artist’s foundation or recognized authentication boards, further enhances credibility.

By combining these approaches, collectors can confidently evaluate a metal sculpture’s authenticity and ensure its historical and artistic value is preserved.