It yields a reproduction of the ' Mona Lisa 's ' face magnified several times . Image reveals a single brushstroke of a single line above the left brow . That dark patina is the result of 500 years of aging , according to Cotte . This suggests that pigment could explain lack of lashes and brows . A poor attempt to clean the image could also have erased the features .
It yields a reproduction of the ' Mona Lisa 's ' face magnified several times . Image reveals a single brushstroke of a single line above the left brow . This suggests that pigment could explain lack of lashes and brows . A poor attempt to clean the image could also have erased the features .