Provenance
History of the earlier version
1452
The birth of
Leonardo da Vinci.
1479
The birth of Lisa Camila Gherardini (Mona Lisa)
1500
Leonardo returns to Florence from Milan, via Mantua and Venice.
c. 1503-06
Florence, Italy. Commissioned by Francesco del Giocondo as a portrait of his young wife, Lisa di Antonmaria di Noldo Gherardini (Mona Lisa).
1503
Agostino Vespucci witnesses Leonardo painting the portrait of Mona Lisa in a manner that will leave it ‘unfinished’.
1504
Raphael Sketch: ‘A Young Lady on a Balcony’ with side columns, based on Leonardo’s ‘Mona Lisa’. Raphael’s subsequent painting; ‘Lady with a Unicorn’, follows a similar composition.
c. 1506
Leonardo leaves his ‘Earlier Version’ unfinished.
1550 and 1568
Giorgio Vasari describes this “ … unfinished … ” painting in his compendium of biographies: ‘The Lives of the Most Excellent Painters, Sculptors, and Architects’.
1584
Giovanni Paolo Lomazzo refers to the painting in his treatise ‘Pictures, Sculpture and Architecture’. In fact he notes two similar paintings by Leonardo da Vinci: a ‘Gioconda’ (Smiling One) and a ‘Mona Lisa’.
c. 1590–1730
Due to turbulent times in Italy and France, no records of the painting’s whereabouts exist.
c. 1730–50
The painting is acquired by an English nobleman making the ‘Grand Tour’ of Europe, and is brought to England as part of an art collection to be housed in his Somerset manor.
1913
Hugh Blaker, art connoisseur and curator of the Holburne Art Museum in Bath, England, locates and rediscovers the painting, and purchases it from the aristocratic family there. He brings it to his studio in Isleworth, London, where he has the canvas re-lined and a new stretcher constructed.
1914
The painting is sent to the United States for safekeeping during World War 1. It is housed in the Boston Museum of Fine Arts until 1918.
1915
John Eyre, art historian and expert, writes a monograph on the painting, which is immediately published in London and New York.
1922
The painting is brought to Italy and shown to some of the leading experts and scholars of the time.
1926
Eyre follows up with a book on the painting, detailing ten reasons for recognising it as the earlier version of ‘Mona Lisa’ by Leonardo da Vinci.
1936
The Leicester Galleries, London, displays the masterpiece in an exhibition of paintings from the private collection of the late Hugh Blaker. The exhibition is arranged in conjunction with Blaker’s sister Jane, and Murray Urquhart, Blaker’s colleague and executor of his estate.
1951
‘Encyclopedia Americana’ confirms the ‘Isleworth Mona Lisa’ to be the earlier of two versions by Leonardo da Vinci.

1962
Dr. Henry Pulitzer (Pulitzer Galleries, Kensington, London & Berne, Switzerland) acquires the painting by selling his Knightsbridge house with all contents, plus a large number of paintings from his own collection. He brings the painting to Switzerland, where it is locked away in the vaults of a bank in Lausanne.
1975
The Earlier ‘Mona Lisa’ is brought to Switzerland and locked away in a bank vault.
1979
Pulitzer dies, and the painting is inherited by his partner, Elizabeth Meyer.
1982
Internationally acclaimed ‘Quid’ almanac of France acknowledges the existence of two versions of ‘Mona Lisa’ by Leonardo da Vinci; the ‘Earlier Version’ in a Swiss bank, and the later version in the Louvre, Paris.
2002
Web dictionary Wikipedia presents the ‘Earlier Version’, historically known since Blaker’s acquisition, as the ‘Isleworth Mona Lisa’.
2008
Elizabeth Meyer dies, and the painting passes to an international consortium.
2010
The Mona Lisa Foundation, Switzerland, a non-profit foundation, is established to research and exhibit the painting.

