Attention – Information Covid-19 

Compte tenu des risques sanitaires liés au Covid-19, nous sommes au regret de vous informer que les rendez-vous d’authentification seront considérablement limités jusqu’à la fin de l’année. Nous vous remercions par avance de votre compréhension. 
Picasso Authentification

 Attention - Covid-19 Information

Given the health risks connected with Covid-19, we regret to inform you that authentication appointments will be significantly limited until the end of this year. Thank you in advance for your understanding.
Picasso Authentification


français - español - english


Dear Madam, Dear Sir,

Further to your request to PICASSO-AUTHENTIFICATION, and to examine it, Mr Claude Picasso needs to receive, only by post mail, the following documents and informations :

1. Two large black and white ( professional quality) photos of the artwork ( without the frame or glasses ) size 15 x 20 cm, with a white margin of 3 cm all around the picture.
2. One high-resolution colour digital file of the artwork RECTO – VERSO, both sides (without the frame or glasses ) on a CD or USB key
3. The precise measurements of this work.
4. Any detail you might have about this work (provenance, previous owner, photographs of any labels on the back of the work or on the stretcher, invoice copy, history, origin, etc.).

You must send all those documents and information by post mail only (no request will be registered by email), specifying :

• first and family name of the owner or his agent ( in this case, attach the owner’s mandate)
complete postal address.
phone number (country + area (and or city code) + number).
email address.

Those documents and information are essential to study your file, they must be imperatively written in french or in english.

We draw your attention that incomplete files will be put on hold and will not be processed immediately.

Therefore, thank you for gathering all those elements before making your request to us, and enclosing them imperatively to your post mail.

There is no charge. Please be aware that you will receive an answer only by post mail.

Many thanks in advance. Sincerely,

Postal address to send the requested elements :

For the attention of Mr Claude RUIZ-PICASSO
8 rue Volney
75002 Paris
Tel 33 (0) 7 85 82 59 40


Picasso Authentification : Anne Paloma Picasso-Thévenet • Claude Ruiz-Picasso • Marina Ruiz-Picasso • Bernard Ruiz-Picasso