Some of Silva Nuno's works are accompanied by a Certificate of Authenticity in physical format, written in Portuguese and English simultaneously. This certification applies mainly to more complex work. demanding and elaborate — how paintings, sculptures and installations — in which verification of authenticity and origin has a relevant documentary and symbolic value.
In works of greater value symbolic or accessible — such as drawings, collages, engravings or silkscreens — Certificate of Authenticity will only be issued upon request by the owner.. The issuance of the document entails a additional cost of €25 and requires confirmation of the applicant's legitimate possession of the work.
This certificate, with exclusive and personalized design created by the artist himself, is issued directly from the Silva Nuno studio, and includes unique stamps, seals and verification elements.
Which importance of having the Certificate of Authenticity on Paper from a work of art?
- Verifies the authenticity of the work and its direct origin from the artist.
- Eliminates doubts as to the origin, route and legitimacy of the piece.
- Serves as legal reinforcement of property in case of theft, loss or dispute.
- Prevents counterfeiting attempts, imitation or misappropriation.
- The physical format is more difficult to replicate than digital versions.
- Includes a unique hologram ID and other marks of authenticity
- It is transmissible between generations or in the case of sale/auction, maintaining documentary and historical value
- Just an original certificate is issued per work — second ways are possible, but named as such.
- A certificate issued by a gallery is valid, but a certificate signed and authenticated by the artist himself significantly reinforces the legitimacy of the work and eliminates any misconceptions about its origin and attempts at fraud.
⚠️ Important notes on conservation:
- Save the certificate away from humid places and without direct exposure to light.
- THE black paper protects the certificate of exposure to sunlight or artificial light (UV).
- THE plastic bag included protects from ambient humidity.
- Always keep the packaging sealed and airtight..

