So the Picasso Museum in Paris, for instance, which displays work from the artist's collection, has little signed work.

FORBES: Picasso to Go

Among the many reasons to visit Paris in 2013 are the summer unveiling of its Picasso Museum, which has been closed for many years for renovation.

BBC: In brief: China offers visa-free short stays

If that isn't the largest Picasso collection outside a museum, it's beaten only by what's in the Picasso family.

FORBES: The Art of the Deal

The Metropolitan Museum of Art, Picasso and the other contributors made some money on the deal.

FORBES: Michelangelos: Made in Japan

Moved by the effort, Picasso contributed three additional creations to the museum, as well as a pencil sketch of Les Demoiselles d'Avignon, still on display today.

BBC: Undiscovered Basel

Seven masterpieces by artists including Picasso and Monet were stolen from the Kunsthal Museum in Rotterdam.

BBC: Rotterdam Dutch art thefts lead to Romania arrests

Paintings by artists including Picasso, Matisse, Monet, Gauguin and Freud have been stolen from a museum in Rotterdam.

BBC: Monet and Picasso among works stolen from Dutch museum

They range from the inviting and informative Museo del Vino (Wine Museum) that opened in 2008 to the much-lauded Museo Picasso, opened in 2003 and housed in a former palace complete with Roman ruins in the basement.

BBC: Malaga��s coming of age

Last week we celebrated the gift by Leonard Lauder to the Metropolitan Museum of Art in New York of priceless Cubist paintings and sculptures by Picasso, Braque and others.

FORBES: The Lauder Brothers Are A Throwback To World Class Art Collectors Like Frick, Mellon, Morgan, Lehman And Annenberg