Vinci Editions
Vinci Editions





Vinci Editions propose a book written by Pascal Cotte Lumière on the Lady with an ermine. 
Thanks to the use of a new technique for scientific imaging - The L.A.M. technique - the author takes us into the intimacy of this work and reveals that Leonardo has made three superimposed versions. Two are hidden beneath the visible painting: 

- A first version WITHOUT ermine, and a very different costume.
- A second version with real SMALL ermine and a blue  bernia on the left shoulder. 

- The final version with a heraldic ermine with exaggerated dimensions and a lion's paw. 

All the secrets, technical tips and tricks used by Leonardo to paint this work are described with clarity and simplicity.

28 Unpublished  discoveries


The Lady with an Ermine had no ermine! Thanks to a new scientific imaging method, Pascal Cotte gives us this revelation, and 27 other discoveries, in his latest book.

The work of this engineer, famous for having scanned the Mona Lisa

radically change our view of the work of Leonardo da Vinci.


This book on The Lady with an Ermine is the first to examine in depth the painting technique of Leonardo da Vinci and reveals the secrets of the creation of his paintings. One key to this work is the unprecedented discovery of a true small ermine hidden beneath the visible animal that we see today.

We also discover that the first intention of the Master was to paint a classic portrait, without any animal. Probably at the instigation of the Duke of Milan, Leonardo may have altered its composition and later added an ermine then unsatisfied transformed it again.


Is it not strange that in 1493 the first poem that describes this portrait does not mention the ermine, as this is an important element. This book provides an answer.

Thanks to a revolutionary new technique, Pascal Cotte is able to analyse layer by layer all the superpositions of the brushstrokes.

It is thus possible to reconstruct the whole story, all its genesis. From plank of wood, through all superimposed layers to the final appearance. Everything is analyzed rigorously and methodically.


It also enables to reveal important details about the construction of the painting, the wanderings of the painter, his hesitations, his errors and changes. With pedagogy and respect for the reader, Pascal Cotte takes us on a tour quite exciting with simple and clear explanations.


All these findings were previously invisible with traditional equipement of laboratories of museums. The author uses a new scientific method of analysis of pictorial works he invented and named L.A.M. for Layer Amplification Method.




Pascal Cotte is an optical engineer, a photographer and a specialist in signal processing of the image. He has founded several companies in the fields of electronic, information technology and the manufacture of special scanners. He founded Lumiere Technology in 1989, and in 2005, with Jean Penicaut, he has founded the Multispectral Institute (LTMI) which today is the leader in scientific analysis of paintings.
Pascal Cotte is the inventor of the first high definition multispectral camera that digitized Mona Lisa at the Louvre Museum in October 2004 and The Lady with an Ermine in September 2007 in Cracow, Poland. He has digitized over 2,000 masterpieces in private and public collections. He is the author of several patents, publications on digital processing on images, and scientific studies on famous paintings.
His work has led to art historians support and demonstrate the hypothesis that the drawing on parchment La Bella Principessa, is an original work by the hand of Leonardo da Vinci.
His exhibition, Secrets of Mona Lisa, promoted by Grande Exhibition, has been seen by over 6 millions visitors worldwide since 2007.

On sale 49€ + 19€ shipping. ONLY for export outside of Europe.

Lumiere on The Lady with an Ermine
49,00 EUR
( Hors TVA et frais de livraison )

Author : Pascal Cotte
Editor : Vinci Editions (sept 2014)
Hard cover 288 pages
English version.
ISBN-13 : 9782954825816
Sizes : 31.3 x 24.3 x 3 cm

Reserved for outside of Europe only.
Delivery 5 to 15 days.

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