The Authenticity of Paul Cezanne Painting

XRF: Matches composition of pigments used during Cezanne's time

Unsigned painting: like most of Cezanne's paintings

Brushwork characterized by solid groupings which characterizes most of Cezanne's works

XRF of yellow sample

No pigment anachronisms

IR spectra: The binder used was animal glue

proves that it was made before 1930

Absorbance of the painting = 0.6 while absorbance of the paintings in the 1880s = 0.15

The difference may be due to contaminants

Painting is unsigned

Doesn't prove it's Cezanne's

Absence of evidence about whose painting it is, doesn't prove it's Cezanne's

Possibility of underdrawing

IR Spectra: composed of cadmium yellow which was used after Cezanne died.

Don't buy the painting

The presence of a single evidence that disproves authenticity shields all positive evidence proving authenticity