Professional Authentication. Simple Pricing.

Authenticate designer art collectibles with GREI. Explore authentication services, GREI COA, provenance and ownership registration.

Professional authentication services for designer art collectibles, providing trusted authentication, digital provenance, ownership registry services, and a GREI Certificate of Authenticity (COA).

Choose Your Authentication Service

Every authentication service includes expert authentication review, a GREI Certificate of Authenticity (COA), digital registry listing, digital provenance record, and a unique serial number (SN) for lifetime verification.

OTHER COLLECTIBLES

GREI also accepts select collectibles including:

  • Designer Figures
  • Vinyl Toys
  • Artist Proofs
  • Signed Memorabilia
  • Limited Edition Art Pieces
  • Paintings & Prints
  • Magazines & Publications
  • Collectible Statues
  • DEALER BULK PRICING

    Special bulk pricing is available for dealers and high-volume submissions.

    to learn more about dealer bulk pricing.

    ADDITIONAL SERVICES

    Trusted Authentication for Collectors

    GREI provides professional authentication for designer art collectibles with transparent pricing, secure digital provenance, and a permanent Certificate of Authenticity (COA).