In a groundbreaking discovery Harvard Art Museum Fellow, James Constable has identified a metalcut that may be the earliest version – and possibly only original version remaining – of Leonardo Da Vinci’s Last Supper.
Metalcuts are a rare form of relief printing that date to the 15th century. They are created by engraving lines that serve as sublayers of the final masterpiece.
Through eight years of research, extensive chemical testing at and additional analysis, the metalcut features unique designs, images and chemicals that are often attributed to Da Vinci.
One of the conclusive findings that are indicative of Da Vinci's work is the symbol of Lodovico Sforza, Duke of Milan, who commissioned Da Vinci’s 'Last Supper'.
The decorations on the sides and top of the metalcut are mirrored in the architecture of the Santa Maria delle Grazie Church in Milan, home of the “Last Supper” and where Da Vinci served as architect and artist.
Another finding, the inclusion of secondary hatching and advanced engraving techniques, drapery formation and design – that were exclusive to Da Vinci who was left handed – suggest the metalcut was made contemporaneously with the creation of the “Last Supper” painting.
Signature Da Vinci monogram symbols are found in the metalcut - including Da Vinci’s personal signature.
Also, the earliest version of the “Last Supper” depicts Jesus’ right sleeve not resting on the table, as seen in the metalcut, proving this was made before 1520 in the lifetime of Da Vinci.