A self-portrait by British landscape painter John Constable, is seen during a preview of an exhibition entitled: 'Constable: The Making of a Master ' at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RM2N420C6–A self-portrait by British landscape painter John Constable, is seen during a preview of an exhibition entitled: 'Constable: The Making of a Master ' at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RMG6K7TP–John Constable Öl Skizze Entdeckung

People wander around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RM2N420K0–People wander around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RMG6K7TN–John Constable Öl Skizze Entdeckung

A visitor makes their way around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RM2N420GF–A visitor makes their way around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RM2N420EK–A visitor makes their way around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

British Prime Minister David Cameron is shown the newly discovered previously unknown oil sketch painting by John Constable entitled 'Landscape with a Kiln', at left, from 1821 or 1822 by Head Painting Conservator Nicola Costaras, right, as an additional part of his visit to the 'Masterpieces of Chinese Painting: 700-1900' at the Victoria & Albert Museum in London, Thursday, Nov. 28, 2013. The museum said it was discovered when conservators attempted to remove the lining on the back of 'Branch Hill Pond: Hampstead', another work by the English romantic painter known for his landscapes, while p

RM2N63918–British Prime Minister David Cameron is shown the newly discovered previously unknown oil sketch painting by John Constable entitled 'Landscape with a Kiln', at left, from 1821 or 1822 by Head Painting Conservator Nicola Costaras, right, as an additional part of his visit to the 'Masterpieces of Chinese Painting: 700-1900' at the Victoria & Albert Museum in London, Thursday, Nov. 28, 2013. The museum said it was discovered when conservators attempted to remove the lining on the back of 'Branch Hill Pond: Hampstead', another work by the English romantic painter known for his landscapes, while p

A video image of a landscape is projected as people wander around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RM2N420EY–A video image of a landscape is projected as people wander around an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

A woman takes pictures of 'The Hay Wain' by British landscape painter John Constable, during a preview of an exhibition entitled: 'Constable: The Making of a Master ' with works by the artist at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

RM2N420EA–A woman takes pictures of 'The Hay Wain' by British landscape painter John Constable, during a preview of an exhibition entitled: 'Constable: The Making of a Master ' with works by the artist at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/Lefteris Pitarakis)

British Prime Minister David Cameron, right, is shown the newly discovered previously unknown oil sketch painting by John Constable entitled 'Landscape with a Kiln' from 1821 or 1822 by Head Painting Conservator Nicola Costaras, below left, as an additional part of his visit to the 'Masterpieces of Chinese Painting: 700-1900' at the Victoria & Albert Museum in London, Thursday, Nov. 28, 2013. The museum said it was discovered when conservators attempted to remove the lining on the back of 'Branch Hill Pond: Hampstead', another work by the English romantic painter known for his landscapes, whil

RM2N6392X–British Prime Minister David Cameron, right, is shown the newly discovered previously unknown oil sketch painting by John Constable entitled 'Landscape with a Kiln' from 1821 or 1822 by Head Painting Conservator Nicola Costaras, below left, as an additional part of his visit to the 'Masterpieces of Chinese Painting: 700-1900' at the Victoria & Albert Museum in London, Thursday, Nov. 28, 2013. The museum said it was discovered when conservators attempted to remove the lining on the back of 'Branch Hill Pond: Hampstead', another work by the English romantic painter known for his landscapes, whil

A glass frame is placed in front of a painting by British landscape painter John Constable, in order to show one of the techniques he was using, during a preview of an exhibition entitled: 'Constable: The Making of a Master ' at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/L

RM2N420GJ–A glass frame is placed in front of a painting by British landscape painter John Constable, in order to show one of the techniques he was using, during a preview of an exhibition entitled: 'Constable: The Making of a Master ' at the Victoria and Albert Museum, in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 2015.(AP Photo/L

A Victoria and Albert Museum press officer walks past John Constable's The Hay Wain, left, towards the full oil sketch of the same scene at an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 201

RM2N420CP–A Victoria and Albert Museum press officer walks past John Constable's The Hay Wain, left, towards the full oil sketch of the same scene at an exhibition entitled: 'Constable: The Making of a Master ' with works by British landscape painter John Constable, during a preview in London, Wednesday, Sept. 17, 2014. Best-known to many for ‘The Hay Wain’ - an artwork which adorns countless decorative plates and trays, the exhibition explores Constable’s influences and takes a look at the creative process behind some of his most famous works. The exhibition will run from Sept. 20, 2014 to Jan. 11. 201