Under widely accepted art-trade standards, bronze casts produced from a mold worked by the artist are generally treated as originals when the edition is limited (commonly to eight or fewer casts plus artist's proofs, following the norms of major auction houses and customs authorities). Larger commercial editions may be reclassified as decorative articles rather than original sculptures. Importers should document the edition size and the artist's direct involvement in the casting process.

Yes — sculptures imported into the US must be marked with the country of origin in a conspicuous location, typically on the base or a permanently affixed label. For works where marking the surface would damage the artistic integrity, CBP may accept marking on the packaging or a tag, but this requires advance coordination. Failure to mark correctly can result in redelivery demands or additional duties.